13117015612 has 6 divisors (see below), whose sum is σ = 22954777328. Its totient is φ = 6558507804.

The previous prime is 13117015609. The next prime is 13117015657. The reversal of 13117015612 is 21651071131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639626948 + ... + 1639626955.

Almost surely, 2^13117015612 is an apocalyptic number.

It is an amenable number.

13117015612 is a deficient number, since it is larger than the sum of its proper divisors (9837761716).

13117015612 is a wasteful number, since it uses less digits than its factorization.

13117015612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279253907 (or 3279253905 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 28.

Adding to 13117015612 its reverse (21651071131), we get a palindrome (34768086743).

The spelling of 13117015612 in words is "thirteen billion, one hundred seventeen million, fifteen thousand, six hundred twelve".