13500404 has 12 divisors (see below), whose sum is σ = 23847264. Its totient is φ = 6686904.

The previous prime is 13500373. The next prime is 13500419. The reversal of 13500404 is 40400531.

It is a congruent number.

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, 15344 + ... + 16199.

It is an arithmetic number, because the mean of its divisors is an integer number (1987272).

Almost surely, 2^13500404 is an apocalyptic number.

It is an amenable number.

13500404 is a deficient number, since it is larger than the sum of its proper divisors (10346860).

13500404 is a wasteful number, since it uses less digits than its factorization.

13500404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31654 (or 31652 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13500404 is about 3674.2895911999. The cubic root of 13500404 is about 238.1125329939.

Adding to 13500404 its reverse (40400531), we get a palindrome (53900935).

The spelling of 13500404 in words is "thirteen million, five hundred thousand, four hundred four".