13161004 has 12 divisors (see below), whose sum is σ = 23083200. Its totient is φ = 6565808.

The previous prime is 13160993. The next prime is 13161017. The reversal of 13161004 is 40016131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1519 + ... + 5350.

It is an arithmetic number, because the mean of its divisors is an integer number (1923600).

Almost surely, 2^13161004 is an apocalyptic number.

It is an amenable number.

13161004 is a deficient number, since it is larger than the sum of its proper divisors (9922196).

13161004 is a wasteful number, since it uses less digits than its factorization.

13161004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7350 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 13161004 is about 3627.8098075836. The cubic root of 13161004 is about 236.1001920651.

Adding to 13161004 its reverse (40016131), we get a palindrome (53177135).

The spelling of 13161004 in words is "thirteen million, one hundred sixty-one thousand, four".