13020004 has 12 divisors (see below), whose sum is σ = 23401084. Its totient is φ = 6333984.

The previous prime is 13019999. The next prime is 13020017. The reversal of 13020004 is 40002031.

13020004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6260004 + 6760000 = 2502^2 + 2600^2 .

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, 43839 + ... + 44134.

Almost surely, 2^13020004 is an apocalyptic number.

It is an amenable number.

13020004 is a deficient number, since it is larger than the sum of its proper divisors (10381080).

13020004 is a wasteful number, since it uses less digits than its factorization.

13020004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88014 (or 88012 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 13020004 is about 3608.3242648077. The cubic root of 13020004 is about 235.2540123459.

Adding to 13020004 its reverse (40002031), we get a palindrome (53022035).

The spelling of 13020004 in words is "thirteen million, twenty thousand, four".