13013004 has 24 divisors (see below), whose sum is σ = 31071040. Its totient is φ = 4236624.

The previous prime is 13012999. The next prime is 13013023. The reversal of 13013004 is 40031031.

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 12094 + ... + 13125.

Almost surely, 2^13013004 is an apocalyptic number.

It is an amenable number.

13013004 is an abundant number, since it is smaller than the sum of its proper divisors (18058036).

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

13013004 is a wasteful number, since it uses less digits than its factorization.

13013004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25269 (or 25267 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13013004 is about 3607.3541550560. The cubic root of 13013004 is about 235.2118445838.

Adding to 13013004 its reverse (40031031), we get a palindrome (53044035).

The spelling of 13013004 in words is "thirteen million, thirteen thousand, four".