10621456 has 20 divisors (see below), whose sum is σ = 21662800. Its totient is φ = 5031072.

The previous prime is 10621441. The next prime is 10621477. The reversal of 10621456 is 65412601.

It is a super-2 number, since 2×10621456² = 225630655119872, 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 10621456.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17166 + ... + 17773.

It is an arithmetic number, because the mean of its divisors is an integer number (1083140).

Almost surely, 2^10621456 is an apocalyptic number.

10621456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10621456 is an abundant number, since it is smaller than the sum of its proper divisors (11041344).

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

10621456 is a wasteful number, since it uses less digits than its factorization.

10621456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34966 (or 34960 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 10621456 is about 3259.0575324778. The cubic root of 10621456 is about 219.8170379653.

The spelling of 10621456 in words is "ten million, six hundred twenty-one thousand, four hundred fifty-six".