12944690 has 16 divisors (see below), whose sum is σ = 25418880. Its totient is φ = 4707120.

The previous prime is 12944689. The next prime is 12944713. The reversal of 12944690 is 9644921.

It is a super-2 number, since 2×12944690² = 335129998392200, 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 12944690.

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, 58730 + ... + 58949.

It is an arithmetic number, because the mean of its divisors is an integer number (1588680).

Almost surely, 2^12944690 is an apocalyptic number.

12944690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12944690 is a deficient number, since it is larger than the sum of its proper divisors (12474190).

12944690 is a wasteful number, since it uses less digits than its factorization.

12944690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117697.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 12944690 is about 3597.8729827497. The cubic root of 12944690 is about 234.7995272345.

The spelling of 12944690 in words is "twelve million, nine hundred forty-four thousand, six hundred ninety".