13727690 has 16 divisors (see below), whose sum is σ = 26010720. Its totient is φ = 5202000.

The previous prime is 13727677. The next prime is 13727717. The reversal of 13727690 is 9672731.

It is a super-2 number, since 2×13727690² = 376898945472200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13727690.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35936 + ... + 36315.

It is an arithmetic number, because the mean of its divisors is an integer number (1625670).

Almost surely, 2^13727690 is an apocalyptic number.

13727690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13727690 is a deficient number, since it is larger than the sum of its proper divisors (12283030).

13727690 is a wasteful number, since it uses less digits than its factorization.

13727690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72277.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 13727690 is about 3705.0897425029. The cubic root of 13727690 is about 239.4413511028.

The spelling of 13727690 in words is "thirteen million, seven hundred twenty-seven thousand, six hundred ninety".