12840952 has 16 divisors (see below), whose sum is σ = 24437160. Its totient is φ = 6324384.

The previous prime is 12840943. The next prime is 12840953. The reversal of 12840952 is 25904821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12840953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11443 + ... + 12514.

Almost surely, 2^12840952 is an apocalyptic number.

It is an amenable number.

12840952 is a deficient number, since it is larger than the sum of its proper divisors (11596208).

12840952 is a wasteful number, since it uses less digits than its factorization.

12840952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030 (or 24026 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 12840952 is about 3583.4274096178. The cubic root of 12840952 is about 234.1706209290.

The spelling of 12840952 in words is "twelve million, eight hundred forty thousand, nine hundred fifty-two".