12137308 has 12 divisors (see below), whose sum is σ = 21539952. Its totient is φ = 5983040.

The previous prime is 12137299. The next prime is 12137347. The reversal of 12137308 is 80373121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21085 + ... + 21652.

It is an arithmetic number, because the mean of its divisors is an integer number (1794996).

Almost surely, 2^12137308 is an apocalyptic number.

It is an amenable number.

12137308 is a deficient number, since it is larger than the sum of its proper divisors (9402644).

12137308 is a wasteful number, since it uses less digits than its factorization.

12137308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42812 (or 42810 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12137308 is about 3483.8639468269. The cubic root of 12137308 is about 229.8127524514.

The spelling of 12137308 in words is "twelve million, one hundred thirty-seven thousand, three hundred eight".