13512812 has 6 divisors (see below), whose sum is σ = 23647428. Its totient is φ = 6756404.

The previous prime is 13512809. The next prime is 13512817. The reversal of 13512812 is 21821531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13512817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1689098 + ... + 1689105.

It is an arithmetic number, because the mean of its divisors is an integer number (3941238).

Almost surely, 2^13512812 is an apocalyptic number.

It is an amenable number.

13512812 is a deficient number, since it is larger than the sum of its proper divisors (10134616).

13512812 is a wasteful number, since it uses less digits than its factorization.

13512812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378207 (or 3378205 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 13512812 is about 3675.9776930770. The cubic root of 13512812 is about 238.1854590986.

The spelling of 13512812 in words is "thirteen million, five hundred twelve thousand, eight hundred twelve".