12907140 has 96 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 3206016.

The previous prime is 12907133. The next prime is 12907151. The reversal of 12907140 is 4170921.

It is a self number, because there is not a number n which added to its sum of digits gives 12907140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64761 + ... + 64959.

It is an arithmetic number, because the mean of its divisors is an integer number (403200).

Almost surely, 2^12907140 is an apocalyptic number.

12907140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12907140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19353600).

12907140 is an abundant number, since it is smaller than the sum of its proper divisors (25800060).

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

12907140 is a wasteful number, since it uses less digits than its factorization.

12907140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12907140 is about 3592.6508319067. The cubic root of 12907140 is about 234.5722716003.

The spelling of 12907140 in words is "twelve million, nine hundred seven thousand, one hundred forty".