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13275936 = 2532311487
BaseRepresentation
bin110010101001…
…001100100000
3220222111011100
4302221030200
511344312221
61152314400
7220562232
oct62511440
926874140
1013275936
117548453
124542a00
13299a9ab
141a98252
151273926
hexca9320

13275936 has 72 divisors (see below), whose sum is σ = 38997504. Its totient is φ = 4279680.

The previous prime is 13275931. The next prime is 13275937. The reversal of 13275936 is 63957231.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 13275936.

It is not an unprimeable number, because it can be changed into a prime (13275931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8185 + ... + 9671.

It is an arithmetic number, because the mean of its divisors is an integer number (541632).

Almost surely, 213275936 is an apocalyptic number.

13275936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13275936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19498752).

13275936 is an abundant number, since it is smaller than the sum of its proper divisors (25721568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13275936 is a wasteful number, since it uses less digits than its factorization.

13275936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534 (or 1523 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 13275936 is about 3643.6157865505. The cubic root of 13275936 is about 236.7854705597.

The spelling of 13275936 in words is "thirteen million, two hundred seventy-five thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 186 248 279 288 372 496 558 744 992 1116 1487 1488 2232 2974 2976 4461 4464 5948 8922 8928 11896 13383 17844 23792 26766 35688 46097 47584 53532 71376 92194 107064 138291 142752 184388 214128 276582 368776 414873 428256 553164 737552 829746 1106328 1475104 1659492 2212656 3318984 4425312 6637968 13275936