10915812 has 18 divisors (see below), whose sum is σ = 27592838. Its totient is φ = 3638592.

The previous prime is 10915811. The next prime is 10915829. The reversal of 10915812 is 21851901.

It can be written as a sum of positive squares in only one way, i.e., 9696996 + 1218816 = 3114^2 + 1104^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (10915811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151573 + ... + 151644.

Almost surely, 2^10915812 is an apocalyptic number.

10915812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10915812 is an abundant number, since it is smaller than the sum of its proper divisors (16677026).

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

10915812 is a wasteful number, since it uses less digits than its factorization.

10915812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303227 (or 303222 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 10915812 is about 3303.9085943773. The cubic root of 10915812 is about 221.8291844037.

It can be divided in two parts, 1091 and 5812, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 10915812 in words is "ten million, nine hundred fifteen thousand, eight hundred twelve".