12623390 has 16 divisors (see below), whose sum is σ = 24470208. Its totient is φ = 4660896.

The previous prime is 12623383. The next prime is 12623393. The reversal of 12623390 is 9332621.

It is a Harshad number since it is a multiple of its sum of digits (26).

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48422 + ... + 48681.

It is an arithmetic number, because the mean of its divisors is an integer number (1529388).

Almost surely, 2^12623390 is an apocalyptic number.

12623390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12623390 is a deficient number, since it is larger than the sum of its proper divisors (11846818).

12623390 is a wasteful number, since it uses less digits than its factorization.

12623390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97123.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 12623390 is about 3552.9410352552. The cubic root of 12623390 is about 232.8405769030.

The spelling of 12623390 in words is "twelve million, six hundred twenty-three thousand, three hundred ninety".