12396644 has 12 divisors (see below), whose sum is σ = 23363004. Its totient is φ = 5721504.

The previous prime is 12396623. The next prime is 12396653. The reversal of 12396644 is 44669321.

It can be written as a sum of positive squares in 2 ways, for example, as 1254400 + 11142244 = 1120^2 + 3338^2 .

It is an unprimeable number.

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, 119147 + ... + 119250.

It is an arithmetic number, because the mean of its divisors is an integer number (1946917).

Almost surely, 2^12396644 is an apocalyptic number.

It is an amenable number.

12396644 is a deficient number, since it is larger than the sum of its proper divisors (10966360).

12396644 is a wasteful number, since it uses less digits than its factorization.

12396644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238414 (or 238412 counting only the distinct ones).

The product of its digits is 31104, while the sum is 35.

The square root of 12396644 is about 3520.8868201065. The cubic root of 12396644 is about 231.4380224909.

The spelling of 12396644 in words is "twelve million, three hundred ninety-six thousand, six hundred forty-four".