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13712790 = 2357135023
BaseRepresentation
bin110100010011…
…110110010110
3221210200102010
4310103312112
512002302130
61205525050
7224361660
oct64236626
927720363
1013712790
117816693
124713786
132ac17a0
141b6d530
15130d0b0
hexd13d96

13712790 has 64 divisors (see below), whose sum is σ = 40513536. Its totient is φ = 2892672.

The previous prime is 13712789. The next prime is 13712791. The reversal of 13712790 is 9721731.

It is an interprime number because it is at equal distance from previous prime (13712789) and next prime (13712791).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13712791) 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 31 ways as a sum of consecutive naturals, for example, 219 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (633024).

Almost surely, 213712790 is an apocalyptic number.

13712790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13712790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20256768).

13712790 is an abundant number, since it is smaller than the sum of its proper divisors (26800746).

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

13712790 is a wasteful number, since it uses less digits than its factorization.

13712790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5053.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 13712790 is about 3703.0784490745. The cubic root of 13712790 is about 239.3546900624.

The spelling of 13712790 in words is "thirteen million, seven hundred twelve thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 5023 10046 15069 25115 30138 35161 50230 65299 70322 75345 105483 130598 150690 175805 195897 210966 326495 351610 391794 457093 527415 652990 914186 979485 1054830 1371279 1958970 2285465 2742558 4570930 6856395 13712790