12372397 has 2 divisors, whose sum is σ = 12372398. Its totient is φ = 12372396.

The previous prime is 12372383. The next prime is 12372403. The reversal of 12372397 is 79327321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11329956 + 1042441 = 3366^2 + 1021^2 .

It is a cyclic number.

It is not a de Polignac number, because 12372397 - 2²³ = 3983789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12372377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186198 + 6186199.

It is an arithmetic number, because the mean of its divisors is an integer number (6186199).

Almost surely, 2^12372397 is an apocalyptic number.

It is an amenable number.

12372397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372397 is an equidigital number, since it uses as much as digits as its factorization.

12372397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876, while the sum is 34.

The square root of 12372397 is about 3517.4418261003. The cubic root of 12372397 is about 231.2870316152.

It can be divided in two parts, 12372 and 397, that added together give a square (12769 = 113²).

The spelling of 12372397 in words is "twelve million, three hundred seventy-two thousand, three hundred ninety-seven".