13508818412 has 12 divisors (see below), whose sum is σ = 23641246440. Its totient is φ = 6754176576.

The previous prime is 13508818399. The next prime is 13508818441. The reversal of 13508818412 is 21481880531.

It is a self number, because there is not a number n which added to its sum of digits gives 13508818412.

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, 193343 + ... + 253769.

It is an arithmetic number, because the mean of its divisors is an integer number (1970103870).

Almost surely, 2^13508818412 is an apocalyptic number.

It is an amenable number.

13508818412 is a deficient number, since it is larger than the sum of its proper divisors (10132428028).

13508818412 is a wasteful number, since it uses less digits than its factorization.

13508818412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116320 (or 116318 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The spelling of 13508818412 in words is "thirteen billion, five hundred eight million, eight hundred eighteen thousand, four hundred twelve".