13109804 has 24 divisors (see below), whose sum is σ = 23647680. Its totient is φ = 6356096.

The previous prime is 13109779. The next prime is 13109809. The reversal of 13109804 is 40890131.

It is not an unprimeable number, because it can be changed into a prime (13109809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25502 + ... + 26010.

It is an arithmetic number, because the mean of its divisors is an integer number (985320).

Almost surely, 2^13109804 is an apocalyptic number.

It is an amenable number.

13109804 is a deficient number, since it is larger than the sum of its proper divisors (10537876).

13109804 is a wasteful number, since it uses less digits than its factorization.

13109804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 13109804 is about 3620.7463319045. The cubic root of 13109804 is about 235.7936288407.

Adding to 13109804 its reverse (40890131), we get a palindrome (53999935).

The spelling of 13109804 in words is "thirteen million, one hundred nine thousand, eight hundred four".