13102904 has 8 divisors (see below), whose sum is σ = 24567960. Its totient is φ = 6551448.

The previous prime is 13102891. The next prime is 13102907. The reversal of 13102904 is 40920131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818924 + ... + 818939.

It is an arithmetic number, because the mean of its divisors is an integer number (3070995).

Almost surely, 2^13102904 is an apocalyptic number.

It is an amenable number.

13102904 is a deficient number, since it is larger than the sum of its proper divisors (11465056).

13102904 is a wasteful number, since it uses less digits than its factorization.

13102904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637869 (or 1637865 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 13102904 is about 3619.7933642682. The cubic root of 13102904 is about 235.7522536592.

The spelling of 13102904 in words is "thirteen million, one hundred two thousand, nine hundred four".