12616690 has 16 divisors (see below), whose sum is σ = 23443200. Its totient is φ = 4883760.

The previous prime is 12616687. The next prime is 12616697. The reversal of 12616690 is 9661621.

It is a super-2 number, since 2×12616690² = 318361733112200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (12616697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20040 + ... + 20659.

It is an arithmetic number, because the mean of its divisors is an integer number (1465200).

Almost surely, 2^12616690 is an apocalyptic number.

12616690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12616690 is a deficient number, since it is larger than the sum of its proper divisors (10826510).

12616690 is a wasteful number, since it uses less digits than its factorization.

12616690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40737.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 12616690 is about 3551.9980292787. The cubic root of 12616690 is about 232.7993753993.

The spelling of 12616690 in words is "twelve million, six hundred sixteen thousand, six hundred ninety".