12693357139 has 12 divisors (see below), whose sum is σ = 14070212784. Its totient is φ = 11427261824.

The previous prime is 12693357119. The next prime is 12693357167. The reversal of 12693357139 is 93175339621.

It is not a de Polignac number, because 12693357139 - 2²⁵ = 12659802707 is a prime.

It is a super-2 number, since 2×12693357139² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12693357092 and 12693357101.

It is not an unprimeable number, because it can be changed into a prime (12693357119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 948172 + ... + 961465.

It is an arithmetic number, because the mean of its divisors is an integer number (1172517732).

Almost surely, 2^12693357139 is an apocalyptic number.

12693357139 is a deficient number, since it is larger than the sum of its proper divisors (1376855645).

12693357139 is a wasteful number, since it uses less digits than its factorization.

12693357139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909694 (or 1909677 counting only the distinct ones).

The product of its digits is 918540, while the sum is 49.

The spelling of 12693357139 in words is "twelve billion, six hundred ninety-three million, three hundred fifty-seven thousand, one hundred thirty-nine".