12974438 has 8 divisors (see below), whose sum is σ = 20307888. Its totient is φ = 6205144.

The previous prime is 12974431. The next prime is 12974443. The reversal of 12974438 is 83447921.

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 (12974431) 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, 140981 + ... + 141072.

It is an arithmetic number, because the mean of its divisors is an integer number (2538486).

Almost surely, 2^12974438 is an apocalyptic number.

12974438 is a deficient number, since it is larger than the sum of its proper divisors (7333450).

12974438 is a wasteful number, since it uses less digits than its factorization.

12974438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282078.

The product of its digits is 48384, while the sum is 38.

The square root of 12974438 is about 3602.0047195971. The cubic root of 12974438 is about 234.9792527330.

The spelling of 12974438 in words is "twelve million, nine hundred seventy-four thousand, four hundred thirty-eight".