13115012 has 6 divisors (see below), whose sum is σ = 22951278. Its totient is φ = 6557504.

The previous prime is 13114993. The next prime is 13115017. The reversal of 13115012 is 21051131.

It can be written as a sum of positive squares in only one way, i.e., 7043716 + 6071296 = 2654^2 + 2464^2 .

It is not an unprimeable number, because it can be changed into a prime (13115017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639373 + ... + 1639380.

It is an arithmetic number, because the mean of its divisors is an integer number (3825213).

Almost surely, 2^13115012 is an apocalyptic number.

It is an amenable number.

13115012 is a deficient number, since it is larger than the sum of its proper divisors (9836266).

13115012 is a wasteful number, since it uses less digits than its factorization.

13115012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3278757 (or 3278755 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 13115012 is about 3621.4654492346. The cubic root of 13115012 is about 235.8248484949.

Adding to 13115012 its reverse (21051131), we get a palindrome (34166143).

The spelling of 13115012 in words is "thirteen million, one hundred fifteen thousand, twelve".