10821612 has 24 divisors (see below), whose sum is σ = 25933936. Its totient is φ = 3509568.

The previous prime is 10821589. The next prime is 10821631. The reversal of 10821612 is 21612801.

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, 11743 + ... + 12630.

Almost surely, 2^10821612 is an apocalyptic number.

10821612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10821612 is an abundant number, since it is smaller than the sum of its proper divisors (15112324).

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

10821612 is a wasteful number, since it uses less digits than its factorization.

10821612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24417 (or 24415 counting only the distinct ones).

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

The square root of 10821612 is about 3289.6218627678. The cubic root of 10821612 is about 221.1892348049.

The spelling of 10821612 in words is "ten million, eight hundred twenty-one thousand, six hundred twelve".