12308402 has 16 divisors (see below), whose sum is σ = 19051200. Its totient is φ = 5961072.

The previous prime is 12308399. The next prime is 12308411. The reversal of 12308402 is 20480321.

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, 8099 + ... + 9497.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700).

Almost surely, 2^12308402 is an apocalyptic number.

12308402 is a deficient number, since it is larger than the sum of its proper divisors (6742798).

12308402 is a wasteful number, since it uses less digits than its factorization.

12308402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1537.

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

The square root of 12308402 is about 3508.3332224861. Note that the first 3 decimals coincide. The cubic root of 12308402 is about 230.8875723338.

Adding to 12308402 its reverse (20480321), we get a palindrome (32788723).

The spelling of 12308402 in words is "twelve million, three hundred eight thousand, four hundred two".