12951140 has 12 divisors (see below), whose sum is σ = 27197436. Its totient is φ = 5180448.

The previous prime is 12951131. The next prime is 12951151. The reversal of 12951140 is 4115921.

It is a happy number.

12951140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1915456 + 11035684 = 1384^2 + 3322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323759 + ... + 323798.

It is an arithmetic number, because the mean of its divisors is an integer number (2266453).

Almost surely, 2^12951140 is an apocalyptic number.

12951140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12951140 is an abundant number, since it is smaller than the sum of its proper divisors (14246296).

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

12951140 is a wasteful number, since it uses less digits than its factorization.

12951140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647566 (or 647564 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 12951140 is about 3598.7692340577. The cubic root of 12951140 is about 234.8385189107.

The spelling of 12951140 in words is "twelve million, nine hundred fifty-one thousand, one hundred forty".