12440902 has 16 divisors (see below), whose sum is σ = 19131552. Its totient is φ = 6065280.

The previous prime is 12440899. The next prime is 12440921. The reversal of 12440902 is 20904421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25303 + ... + 25789.

It is an arithmetic number, because the mean of its divisors is an integer number (1195722).

Almost surely, 2^12440902 is an apocalyptic number.

12440902 is a deficient number, since it is larger than the sum of its proper divisors (6690650).

12440902 is a wasteful number, since it uses less digits than its factorization.

12440902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 12440902 is about 3527.1662847107. The cubic root of 12440902 is about 231.7131189451.

The spelling of 12440902 in words is "twelve million, four hundred forty thousand, nine hundred two".