12378244 has 24 divisors (see below), whose sum is σ = 23730840. Its totient is φ = 5623296.

The previous prime is 12378241. The next prime is 12378251. The reversal of 12378244 is 44287321.

It can be written as a sum of positive squares in 4 ways, for example, as 7225344 + 5152900 = 2688^2 + 2270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12378241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167 + ... + 5110.

It is an arithmetic number, because the mean of its divisors is an integer number (988785).

Almost surely, 2^12378244 is an apocalyptic number.

It is an amenable number.

12378244 is a deficient number, since it is larger than the sum of its proper divisors (11352596).

12378244 is a wasteful number, since it uses less digits than its factorization.

12378244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6327 (or 6325 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 12378244 is about 3518.2728717369. The cubic root of 12378244 is about 231.3234600804.

The spelling of 12378244 in words is "twelve million, three hundred seventy-eight thousand, two hundred forty-four".