10656939 has 4 divisors (see below), whose sum is σ = 14209256. Its totient is φ = 7104624.

The previous prime is 10656923. The next prime is 10657013. The reversal of 10656939 is 93965601.

10656939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93965601 = 3 ⋅31321867.

It is not a de Polignac number, because 10656939 - 2⁴ = 10656923 is a prime.

It is a super-2 number, since 2×10656939² = 227140697699442, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10656897 and 10656906.

It is not an unprimeable number, because it can be changed into a prime (10656539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1776154 + ... + 1776159.

It is an arithmetic number, because the mean of its divisors is an integer number (3552314).

Almost surely, 2^10656939 is an apocalyptic number.

10656939 is a deficient number, since it is larger than the sum of its proper divisors (3552317).

10656939 is an equidigital number, since it uses as much as digits as its factorization.

10656939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3552316.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 10656939 is about 3264.4967452886. The cubic root of 10656939 is about 220.0615461414.

The spelling of 10656939 in words is "ten million, six hundred fifty-six thousand, nine hundred thirty-nine".