12372973 has 2 divisors, whose sum is σ = 12372974. Its totient is φ = 12372972.

The previous prime is 12372967. The next prime is 12372977. The reversal of 12372973 is 37927321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9229444 + 3143529 = 3038^2 + 1773^2 .

It is an emirp because it is prime and its reverse (37927321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12372973 - 2⁹ = 12372461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12372977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6186486 + 6186487.

It is an arithmetic number, because the mean of its divisors is an integer number (6186487).

Almost surely, 2^12372973 is an apocalyptic number.

It is an amenable number.

12372973 is a deficient number, since it is larger than the sum of its proper divisors (1).

12372973 is an equidigital number, since it uses as much as digits as its factorization.

12372973 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 12372973 is about 3517.5237028341. The cubic root of 12372973 is about 231.2906207678.

The spelling of 12372973 in words is "twelve million, three hundred seventy-two thousand, nine hundred seventy-three".