12960006921 has 12 divisors (see below), whose sum is σ = 18727936240. Its totient is φ = 8636346360.

The previous prime is 12960006911. The next prime is 12960006931.

12960006921 is a `hidden beast` number, since 1 + 29 + 600 + 0 + 6 + 9 + 21 = 666.

12960006921 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (12960006911) and next prime (12960006931).

It is not a de Polignac number, because 12960006921 - 2¹⁰ = 12960005897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12960006911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282331 + ... + 325008.

Almost surely, 2^12960006921 is an apocalyptic number.

It is an amenable number.

12960006921 is a deficient number, since it is larger than the sum of its proper divisors (5767929319).

12960006921 is a wasteful number, since it uses less digits than its factorization.

12960006921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609716 (or 609713 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The spelling of 12960006921 in words is "twelve billion, nine hundred sixty million, six thousand, nine hundred twenty-one".