12372977 has 2 divisors, whose sum is σ = 12372978. Its totient is φ = 12372976.

The previous prime is 12372973. The next prime is 12373001. The reversal of 12372977 is 77927321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11669056 + 703921 = 3416^2 + 839^2 .

It is a cyclic number.

It is not a de Polignac number, because 12372977 - 2² = 12372973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12372977.

It is not a weakly prime, because it can be changed into another prime (12372973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186488 + 6186489.

It is an arithmetic number, because the mean of its divisors is an integer number (6186489).

Almost surely, 2^12372977 is an apocalyptic number.

It is an amenable number.

12372977 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372977 is an equidigital number, since it uses as much as digits as its factorization.

12372977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37044, while the sum is 38.

The square root of 12372977 is about 3517.5242714159. The cubic root of 12372977 is about 231.2906456921.

The spelling of 12372977 in words is "twelve million, three hundred seventy-two thousand, nine hundred seventy-seven".