12131302 has 8 divisors (see below), whose sum is σ = 19267416. Its totient is φ = 5708832.

The previous prime is 12131297. The next prime is 12131303. The reversal of 12131302 is 20313121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178368 + ... + 178435.

It is an arithmetic number, because the mean of its divisors is an integer number (2408427).

Almost surely, 2^12131302 is an apocalyptic number.

12131302 is a deficient number, since it is larger than the sum of its proper divisors (7136114).

12131302 is a wasteful number, since it uses less digits than its factorization.

12131302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356822.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12131302 is about 3483.0018662068. The cubic root of 12131302 is about 229.7748395105.

Subtracting from 12131302 its sum of digits (13), we obtain a square (12131289 = 3483²).

Adding to 12131302 its reverse (20313121), we get a palindrome (32444423).

The spelling of 12131302 in words is "twelve million, one hundred thirty-one thousand, three hundred two".