12338977 has 4 divisors (see below), whose sum is σ = 14101696. Its totient is φ = 10576260.

The previous prime is 12338947. The next prime is 12338987. The reversal of 12338977 is 77983321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12338977 - 2⁷ = 12338849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12338927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 881349 + ... + 881362.

It is an arithmetic number, because the mean of its divisors is an integer number (3525424).

Almost surely, 2^12338977 is an apocalyptic number.

It is an amenable number.

12338977 is a deficient number, since it is larger than the sum of its proper divisors (1762719).

12338977 is an equidigital number, since it uses as much as digits as its factorization.

12338977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762718.

The product of its digits is 63504, while the sum is 40.

The square root of 12338977 is about 3512.6880020862. The cubic root of 12338977 is about 231.0785949710.

The spelling of 12338977 in words is "twelve million, three hundred thirty-eight thousand, nine hundred seventy-seven".