12440612 has 6 divisors (see below), whose sum is σ = 21771078. Its totient is φ = 6220304.

The previous prime is 12440591. The next prime is 12440629. The reversal of 12440612 is 21604421.

12440612 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 only one way, i.e., 12348196 + 92416 = 3514^2 + 304^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1555073 + ... + 1555080.

It is an arithmetic number, because the mean of its divisors is an integer number (3628513).

Almost surely, 2^12440612 is an apocalyptic number.

It is an amenable number.

12440612 is a deficient number, since it is larger than the sum of its proper divisors (9330466).

12440612 is a wasteful number, since it uses less digits than its factorization.

12440612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3110157 (or 3110155 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 12440612 is about 3527.1251749832. The cubic root of 12440612 is about 231.7113185041.

The spelling of 12440612 in words is "twelve million, four hundred forty thousand, six hundred twelve".