13213104 has 40 divisors (see below), whose sum is σ = 34378752. Its totient is φ = 4372800.

The previous prime is 13213093. The next prime is 13213121. The reversal of 13213104 is 40131231.

13213104 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13213104² = 349172234629632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6337 + ... + 8159.

Almost surely, 2^13213104 is an apocalyptic number.

It is an amenable number.

13213104 is an abundant number, since it is smaller than the sum of its proper divisors (21165648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13213104 is a wasteful number, since it uses less digits than its factorization.

13213104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985 (or 1979 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13213104 is about 3634.9833562205. The cubic root of 13213104 is about 236.4113290169.

Adding to 13213104 its reverse (40131231), we get a palindrome (53344335).

The spelling of 13213104 in words is "thirteen million, two hundred thirteen thousand, one hundred four".