12713620511 has 4 divisors (see below), whose sum is σ = 12713866224. Its totient is φ = 12713374800.

The previous prime is 12713620489. The next prime is 12713620529. The reversal of 12713620511 is 11502631721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12713620511 - 2²² = 12709426207 is a prime.

It is a super-2 number, since 2×12713620511² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713620571) 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, 11750 + ... + 159891.

It is an arithmetic number, because the mean of its divisors is an integer number (3178466556).

Almost surely, 2^12713620511 is an apocalyptic number.

12713620511 is a deficient number, since it is larger than the sum of its proper divisors (245713).

12713620511 is an equidigital number, since it uses as much as digits as its factorization.

12713620511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245712.

The product of its (nonzero) digits is 2520, while the sum is 29.

The spelling of 12713620511 in words is "twelve billion, seven hundred thirteen million, six hundred twenty thousand, five hundred eleven".