12137946 has 8 divisors (see below), whose sum is σ = 24275904. Its totient is φ = 4045980.

The previous prime is 12137899. The next prime is 12137953. The reversal of 12137946 is 64973121.

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

12137946 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011490 + ... + 1011501.

It is an arithmetic number, because the mean of its divisors is an integer number (3034488).

Almost surely, 2^12137946 is an apocalyptic number.

12137946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12137946 is a wasteful number, since it uses less digits than its factorization.

12137946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022996.

The product of its digits is 9072, while the sum is 33.

The square root of 12137946 is about 3483.9555106229. The cubic root of 12137946 is about 229.8167790984.

The spelling of 12137946 in words is "twelve million, one hundred thirty-seven thousand, nine hundred forty-six".