12764961 has 12 divisors (see below), whose sum is σ = 20114640. Its totient is φ = 7736280.

The previous prime is 12764957. The next prime is 12765029. The reversal of 12764961 is 16946721.

12764961 is a `hidden beast` number, since 1 + 2 + 7 + 649 + 6 + 1 = 666.

It is not a de Polignac number, because 12764961 - 2² = 12764957 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12764911) 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, 64371 + ... + 64568.

It is an arithmetic number, because the mean of its divisors is an integer number (1676220).

Almost surely, 2^12764961 is an apocalyptic number.

12764961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12764961 is a deficient number, since it is larger than the sum of its proper divisors (7349679).

12764961 is a wasteful number, since it uses less digits than its factorization.

12764961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128956 (or 128953 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12764961 is about 3572.8085591030. The cubic root of 12764961 is about 233.7077767921.

The spelling of 12764961 in words is "twelve million, seven hundred sixty-four thousand, nine hundred sixty-one".