12372319 has 4 divisors (see below), whose sum is σ = 12706744. Its totient is φ = 12037896.

The previous prime is 12372289. The next prime is 12372323. The reversal of 12372319 is 91327321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12372319 is a prime.

It is a super-2 number, since 2×12372319² = 306148554875522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12378319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167157 + ... + 167230.

It is an arithmetic number, because the mean of its divisors is an integer number (3176686).

Almost surely, 2^12372319 is an apocalyptic number.

12372319 is a deficient number, since it is larger than the sum of its proper divisors (334425).

12372319 is an equidigital number, since it uses as much as digits as its factorization.

12372319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334424.

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

The square root of 12372319 is about 3517.4307384794. The cubic root of 12372319 is about 231.2865455756.

The spelling of 12372319 in words is "twelve million, three hundred seventy-two thousand, three hundred nineteen".