12740652 has 30 divisors (see below), whose sum is σ = 33307428. Its totient is φ = 4246776.

The previous prime is 12740641. The next prime is 12740671. The reversal of 12740652 is 25604721.

12740652 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 0 + 652 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19338 + ... + 19985.

Almost surely, 2^12740652 is an apocalyptic number.

12740652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12740652 is an abundant number, since it is smaller than the sum of its proper divisors (20566776).

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

12740652 is a wasteful number, since it uses less digits than its factorization.

12740652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39339 (or 39328 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12740652 is about 3569.4049924322. The cubic root of 12740652 is about 233.5593284340.

The spelling of 12740652 in words is "twelve million, seven hundred forty thousand, six hundred fifty-two".