13011002004 has 96 divisors (see below), whose sum is σ = 40761778176. Its totient is φ = 3119518080.

The previous prime is 13011001973. The next prime is 13011002023. The reversal of 13011002004 is 40020011031.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529572 + ... + 553595.

It is an arithmetic number, because the mean of its divisors is an integer number (424601856).

Almost surely, 2^13011002004 is an apocalyptic number.

13011002004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13011002004 is an abundant number, since it is smaller than the sum of its proper divisors (27750776172).

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

13011002004 is a wasteful number, since it uses less digits than its factorization.

13011002004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083205 (or 1083203 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13011002004 its reverse (40020011031), we get a palindrome (53031013035).

The spelling of 13011002004 in words is "thirteen billion, eleven million, two thousand, four".