12945396 has 24 divisors (see below), whose sum is σ = 30270240. Its totient is φ = 4305952.

The previous prime is 12945391. The next prime is 12945419. The reversal of 12945396 is 69354921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12945391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7090 + ... + 8726.

It is an arithmetic number, because the mean of its divisors is an integer number (1261260).

Almost surely, 2^12945396 is an apocalyptic number.

It is an amenable number.

12945396 is an abundant number, since it is smaller than the sum of its proper divisors (17324844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12945396 is a wasteful number, since it uses less digits than its factorization.

12945396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2303 (or 2301 counting only the distinct ones).

The product of its digits is 58320, while the sum is 39.

The square root of 12945396 is about 3597.9710949367. The cubic root of 12945396 is about 234.8037957918.

The spelling of 12945396 in words is "twelve million, nine hundred forty-five thousand, three hundred ninety-six".