12440502 has 24 divisors (see below), whose sum is σ = 27582984. Its totient is φ = 4050144.

The previous prime is 12440489. The next prime is 12440513. The reversal of 12440502 is 20504421.

12440502 is a `hidden beast` number, since 124 + 40 + 502 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7263 + ... + 8810.

It is an arithmetic number, because the mean of its divisors is an integer number (1149291).

Almost surely, 2^12440502 is an apocalyptic number.

12440502 is an abundant number, since it is smaller than the sum of its proper divisors (15142482).

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

12440502 is a wasteful number, since it uses less digits than its factorization.

12440502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16124 (or 16121 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12440502 is about 3527.1095815129. The cubic root of 12440502 is about 231.7106355710.

Adding to 12440502 its reverse (20504421), we get a palindrome (32944923).

The spelling of 12440502 in words is "twelve million, four hundred forty thousand, five hundred two".