13115684 has 12 divisors (see below), whose sum is σ = 23156364. Its totient is φ = 6499584.

The previous prime is 13115677. The next prime is 13115693. The reversal of 13115684 is 48651131.

It can be written as a sum of positive squares in 2 ways, for example, as 1060900 + 12054784 = 1030^2 + 3472^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14057 + ... + 14960.

It is an arithmetic number, because the mean of its divisors is an integer number (1929697).

Almost surely, 2^13115684 is an apocalyptic number.

It is an amenable number.

13115684 is a deficient number, since it is larger than the sum of its proper divisors (10040680).

13115684 is a wasteful number, since it uses less digits than its factorization.

13115684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29134 (or 29132 counting only the distinct ones).

The product of its digits is 2880, while the sum is 29.

The square root of 13115684 is about 3621.5582281664. The cubic root of 13115684 is about 235.8288762353.

The spelling of 13115684 in words is "thirteen million, one hundred fifteen thousand, six hundred eighty-four".