12957494 has 8 divisors (see below), whose sum is σ = 21203208. Its totient is φ = 5889760.

The previous prime is 12957481. The next prime is 12957509. The reversal of 12957494 is 49475921.

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

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, 294467 + ... + 294510.

It is an arithmetic number, because the mean of its divisors is an integer number (2650401).

Almost surely, 2^12957494 is an apocalyptic number.

12957494 is a deficient number, since it is larger than the sum of its proper divisors (8245714).

12957494 is a wasteful number, since it uses less digits than its factorization.

12957494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588990.

The product of its digits is 90720, while the sum is 41.

The square root of 12957494 is about 3599.6519276174. The cubic root of 12957494 is about 234.8769175894.

The spelling of 12957494 in words is "twelve million, nine hundred fifty-seven thousand, four hundred ninety-four".