12623397 has 4 divisors (see below), whose sum is σ = 16831200. Its totient is φ = 8415596.

The previous prime is 12623393. The next prime is 12623423. The reversal of 12623397 is 79332621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12623397 - 2² = 12623393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623393) 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, 2103897 + ... + 2103902.

It is an arithmetic number, because the mean of its divisors is an integer number (4207800).

Almost surely, 2^12623397 is an apocalyptic number.

It is an amenable number.

12623397 is a deficient number, since it is larger than the sum of its proper divisors (4207803).

12623397 is an equidigital number, since it uses as much as digits as its factorization.

12623397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207802.

The product of its digits is 13608, while the sum is 33.

The square root of 12623397 is about 3552.9420203544. The cubic root of 12623397 is about 232.8406199417.

The spelling of 12623397 in words is "twelve million, six hundred twenty-three thousand, three hundred ninety-seven".