12776006959 has 4 divisors (see below), whose sum is σ = 12778617616. Its totient is φ = 12773396304.

The previous prime is 12776006951. The next prime is 12776006987. The reversal of 12776006959 is 95960067721.

It is a happy number.

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 12776006959 - 2³ = 12776006951 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 (12776006951) 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, 1297974 + ... + 1307779.

It is an arithmetic number, because the mean of its divisors is an integer number (3194654404).

Almost surely, 2^12776006959 is an apocalyptic number.

12776006959 is a deficient number, since it is larger than the sum of its proper divisors (2610657).

12776006959 is an equidigital number, since it uses as much as digits as its factorization.

12776006959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2610656.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 12776006959 in words is "twelve billion, seven hundred seventy-six million, six thousand, nine hundred fifty-nine".