12438502 has 16 divisors (see below), whose sum is σ = 20275200. Its totient is φ = 5701320.

The previous prime is 12438499. The next prime is 12438511. The reversal of 12438502 is 20583421.

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, 4102 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^12438502 is an apocalyptic number.

12438502 is a deficient number, since it is larger than the sum of its proper divisors (7836698).

12438502 is a wasteful number, since it uses less digits than its factorization.

12438502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10611.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 12438502 is about 3526.8260518489. The cubic root of 12438502 is about 231.6982179020.

The spelling of 12438502 in words is "twelve million, four hundred thirty-eight thousand, five hundred two".