12907944 has 64 divisors (see below), whose sum is σ = 40982400. Its totient is φ = 3687552.

The previous prime is 12907943. The next prime is 12907949. The reversal of 12907944 is 44970921.

12907944 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12907899 and 12907908.

It is not an unprimeable number, because it can be changed into a prime (12907943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757 + ... + 5780.

It is an arithmetic number, because the mean of its divisors is an integer number (640350).

Almost surely, 2^12907944 is an apocalyptic number.

12907944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12907944 is an abundant number, since it is smaller than the sum of its proper divisors (28074456).

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

12907944 is a wasteful number, since it uses less digits than its factorization.

12907944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8559 (or 8549 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12907944 is about 3592.7627252575. The cubic root of 12907944 is about 234.5771420878.

The spelling of 12907944 in words is "twelve million, nine hundred seven thousand, nine hundred forty-four".