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13497372 = 22327192819
BaseRepresentation
bin110011011111…
…010000011100
3221101201220200
4303133100130
511423403442
61201143500
7222503640
oct63372034
927351820
1013497372
117689859
12462ab90
132a47715
141b14c20
1512b934c
hexcdf41c

13497372 has 72 divisors (see below), whose sum is σ = 41059200. Its totient is φ = 3652128.

The previous prime is 13497359. The next prime is 13497373. The reversal of 13497372 is 27379431.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3379 + ... + 6197.

Almost surely, 213497372 is an apocalyptic number.

13497372 is a gapful number since it is divisible by the number (12) 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 13497372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20529600).

13497372 is an abundant number, since it is smaller than the sum of its proper divisors (27561828).

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

13497372 is a wasteful number, since it uses less digits than its factorization.

13497372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855 (or 2850 counting only the distinct ones).

The product of its digits is 31752, while the sum is 36.

The square root of 13497372 is about 3673.8769712662. The cubic root of 13497372 is about 238.0947060890.

The spelling of 13497372 in words is "thirteen million, four hundred ninety-seven thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 76 84 114 126 133 171 228 252 266 342 399 532 684 798 1197 1596 2394 2819 4788 5638 8457 11276 16914 19733 25371 33828 39466 50742 53561 59199 78932 101484 107122 118398 160683 177597 214244 236796 321366 355194 374927 482049 642732 710388 749854 964098 1124781 1499708 1928196 2249562 3374343 4499124 6748686 13497372