12989374 has 8 divisors (see below), whose sum is σ = 19959408. Its totient is φ = 6336240.

The previous prime is 12989351. The next prime is 12989387. The reversal of 12989374 is 47398921.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12989374.

It is a congruent 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, 79122 + ... + 79285.

It is an arithmetic number, because the mean of its divisors is an integer number (2494926).

Almost surely, 2^12989374 is an apocalyptic number.

12989374 is a deficient number, since it is larger than the sum of its proper divisors (6970034).

12989374 is a wasteful number, since it uses less digits than its factorization.

12989374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158450.

The product of its digits is 108864, while the sum is 43.

The square root of 12989374 is about 3604.0774131531. The cubic root of 12989374 is about 235.0693864823.

The spelling of 12989374 in words is "twelve million, nine hundred eighty-nine thousand, three hundred seventy-four".