13212077959 has 4 divisors (see below), whose sum is σ = 13293133816. Its totient is φ = 13131022104.

The previous prime is 13212077941. The next prime is 13212077981. The reversal of 13212077959 is 95977021231.

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 13212077959 - 2²⁷ = 13077860231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212077929) 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, 40527684 + ... + 40528009.

It is an arithmetic number, because the mean of its divisors is an integer number (3323283454).

Almost surely, 2^13212077959 is an apocalyptic number.

13212077959 is a deficient number, since it is larger than the sum of its proper divisors (81055857).

13212077959 is an equidigital number, since it uses as much as digits as its factorization.

13212077959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81055856.

The product of its (nonzero) digits is 238140, while the sum is 46.

The spelling of 13212077959 in words is "thirteen billion, two hundred twelve million, seventy-seven thousand, nine hundred fifty-nine".