10621812 has 48 divisors (see below), whose sum is σ = 26046720. Its totient is φ = 3364992.

The previous prime is 10621789. The next prime is 10621823. The reversal of 10621812 is 21812601.

It is a super-2 number, since 2×10621812² = 225645780326688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20614 + ... + 21122.

It is an arithmetic number, because the mean of its divisors is an integer number (542640).

Almost surely, 2^10621812 is an apocalyptic number.

10621812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10621812 is an abundant number, since it is smaller than the sum of its proper divisors (15424908).

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

10621812 is a wasteful number, since it uses less digits than its factorization.

10621812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 10621812 is about 3259.1121490369. The cubic root of 10621812 is about 219.8194938116.

The spelling of 10621812 in words is "ten million, six hundred twenty-one thousand, eight hundred twelve".