12954776507 has 4 divisors (see below), whose sum is σ = 12964720080. Its totient is φ = 12944832936.

The previous prime is 12954776501. The next prime is 12954776533. The reversal of 12954776507 is 70567745921.

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 12954776507 - 2²⁸ = 12686341051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12954776501) 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, 4969832 + ... + 4972437.

It is an arithmetic number, because the mean of its divisors is an integer number (3241180020).

Almost surely, 2^12954776507 is an apocalyptic number.

12954776507 is a deficient number, since it is larger than the sum of its proper divisors (9943573).

12954776507 is an equidigital number, since it uses as much as digits as its factorization.

12954776507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943572.

The product of its (nonzero) digits is 3704400, while the sum is 53.

The spelling of 12954776507 in words is "twelve billion, nine hundred fifty-four million, seven hundred seventy-six thousand, five hundred seven".