12990374 has 8 divisors (see below), whose sum is σ = 19501320. Its totient is φ = 6489936.

The previous prime is 12990371. The next prime is 12990403. The reversal of 12990374 is 47309921.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990371) by changing a digit.

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, 2357 + ... + 5615.

It is an arithmetic number, because the mean of its divisors is an integer number (2437665).

Almost surely, 2^12990374 is an apocalyptic number.

12990374 is a deficient number, since it is larger than the sum of its proper divisors (6510946).

12990374 is a wasteful number, since it uses less digits than its factorization.

12990374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12990374 is about 3604.2161422423. The cubic root of 12990374 is about 235.0754186784.

The spelling of 12990374 in words is "twelve million, nine hundred ninety thousand, three hundred seventy-four".