12907240 has 32 divisors (see below), whose sum is σ = 29191680. Its totient is φ = 5136192.

The previous prime is 12907231. The next prime is 12907241. The reversal of 12907240 is 4270921.

12907240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12907241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8197 + ... + 9643.

It is an arithmetic number, because the mean of its divisors is an integer number (912240).

Almost surely, 2^12907240 is an apocalyptic number.

12907240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12907240 is an abundant number, since it is smaller than the sum of its proper divisors (16284440).

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

12907240 is a wasteful number, since it uses less digits than its factorization.

12907240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12907240 is about 3592.6647491799. The cubic root of 12907240 is about 234.5728773934.

The spelling of 12907240 in words is "twelve million, nine hundred seven thousand, two hundred forty".