12700944 has 60 divisors (see below), whose sum is σ = 35807356. Its totient is φ = 4202496.

The previous prime is 12700943. The next prime is 12700967. The reversal of 12700944 is 44900721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7225344 + 5475600 = 2688^2 + 2340^2 .

It is a super-2 number, since 2×12700944² = 322627956982272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12700943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27564 + ... + 28020.

Almost surely, 2^12700944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12700944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17903678).

12700944 is an abundant number, since it is smaller than the sum of its proper divisors (23106412).

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

12700944 is a wasteful number, since it uses less digits than its factorization.

12700944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12700944 is about 3563.8383801738. The cubic root of 12700944 is about 233.3164359646.

The spelling of 12700944 in words is "twelve million, seven hundred thousand, nine hundred forty-four".