12623313 has 4 divisors (see below), whose sum is σ = 16831088. Its totient is φ = 8415540.

The previous prime is 12623311. The next prime is 12623321. The reversal of 12623313 is 31332621.

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 not a de Polignac number, because 12623313 - 2¹ = 12623311 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12623313.

It is not an unprimeable number, because it can be changed into a prime (12623311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2103883 + ... + 2103888.

It is an arithmetic number, because the mean of its divisors is an integer number (4207772).

Almost surely, 2^12623313 is an apocalyptic number.

It is an amenable number.

12623313 is a deficient number, since it is larger than the sum of its proper divisors (4207775).

12623313 is an equidigital number, since it uses as much as digits as its factorization.

12623313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207774.

The product of its digits is 648, while the sum is 21.

The square root of 12623313 is about 3552.9301991455. The cubic root of 12623313 is about 232.8401034760.

Adding to 12623313 its reverse (31332621), we get a palindrome (43955934).

The spelling of 12623313 in words is "twelve million, six hundred twenty-three thousand, three hundred thirteen".