12713972351 has 4 divisors (see below), whose sum is σ = 12716286552. Its totient is φ = 12711658152.

The previous prime is 12713972347. The next prime is 12713972399. The reversal of 12713972351 is 15327931721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15327931721 = 577 ⋅26564873.

It is a cyclic number.

It is not a de Polignac number, because 12713972351 - 2² = 12713972347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12713972299 and 12713972308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713902351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148840 + ... + 1159853.

It is an arithmetic number, because the mean of its divisors is an integer number (3179071638).

Almost surely, 2^12713972351 is an apocalyptic number.

12713972351 is a deficient number, since it is larger than the sum of its proper divisors (2314201).

12713972351 is an equidigital number, since it uses as much as digits as its factorization.

12713972351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2314200.

The product of its digits is 79380, while the sum is 41.

The spelling of 12713972351 in words is "twelve billion, seven hundred thirteen million, nine hundred seventy-two thousand, three hundred fifty-one".