13038013508 has 24 divisors (see below), whose sum is σ = 24626410200. Its totient is φ = 6004131840.

The previous prime is 13038013493. The next prime is 13038013523. The reversal of 13038013508 is 80531083031.

It is an interprime number because it is at equal distance from previous prime (13038013493) and next prime (13038013523).

It can be written as a sum of positive squares in 4 ways, for example, as 1395171904 + 11642841604 = 37352^2 + 107902^2 .

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, 255863 + ... + 302558.

It is an arithmetic number, because the mean of its divisors is an integer number (1026100425).

Almost surely, 2^13038013508 is an apocalyptic number.

It is an amenable number.

13038013508 is a deficient number, since it is larger than the sum of its proper divisors (11588396692).

13038013508 is a wasteful number, since it uses less digits than its factorization.

13038013508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558887 (or 558885 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 13038013508 its reverse (80531083031), we get a palindrome (93569096539).

The spelling of 13038013508 in words is "thirteen billion, thirty-eight million, thirteen thousand, five hundred eight".