12440672 has 24 divisors (see below), whose sum is σ = 25284672. Its totient is φ = 6019200.

The previous prime is 12440663. The next prime is 12440693. The reversal of 12440672 is 27604421.

12440672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12440672³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

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, 5279 + ... + 7262.

It is an arithmetic number, because the mean of its divisors is an integer number (1053528).

Almost surely, 2^12440672 is an apocalyptic number.

It is an amenable number.

12440672 is an abundant number, since it is smaller than the sum of its proper divisors (12844000).

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

12440672 is a wasteful number, since it uses less digits than its factorization.

12440672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12582 (or 12574 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 12440672 is about 3527.1336804833. The cubic root of 12440672 is about 231.7116910115.

The spelling of 12440672 in words is "twelve million, four hundred forty thousand, six hundred seventy-two".