12392137 has 2 divisors, whose sum is σ = 12392138. Its totient is φ = 12392136.

The previous prime is 12392131. The next prime is 12392143. The reversal of 12392137 is 73129321.

It is a balanced prime because it is at equal distance from previous prime (12392131) and next prime (12392143).

It can be written as a sum of positive squares in only one way, i.e., 9308601 + 3083536 = 3051^2 + 1756^2 .

It is a cyclic number.

It is not a de Polignac number, because 12392137 - 2³ = 12392129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12392131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196068 + 6196069.

It is an arithmetic number, because the mean of its divisors is an integer number (6196069).

Almost surely, 2^12392137 is an apocalyptic number.

It is an amenable number.

12392137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392137 is an equidigital number, since it uses as much as digits as its factorization.

12392137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 28.

The square root of 12392137 is about 3520.2467243078. The cubic root of 12392137 is about 231.4099714151.

The spelling of 12392137 in words is "twelve million, three hundred ninety-two thousand, one hundred thirty-seven".