12649344 has 32 divisors (see below), whose sum is σ = 33600840. Its totient is φ = 4216320.

The previous prime is 12649319. The next prime is 12649349. The reversal of 12649344 is 44394621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12649349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16087 + ... + 16854.

Almost surely, 2^12649344 is an apocalyptic number.

It is an amenable number.

12649344 is an abundant number, since it is smaller than the sum of its proper divisors (20951496).

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

12649344 is an equidigital number, since it uses as much as digits as its factorization.

12649344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32958 (or 32946 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 12649344 is about 3556.5916268248. The cubic root of 12649344 is about 233.0000429798. Note that the first 4 decimals are identical.

The spelling of 12649344 in words is "twelve million, six hundred forty-nine thousand, three hundred forty-four".