12456994 has 8 divisors (see below), whose sum is σ = 20384208. Its totient is φ = 5662260.

The previous prime is 12456991. The next prime is 12457001. The reversal of 12456994 is 49965421.

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

It is not an unprimeable number, because it can be changed into a prime (12456991) 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, 283092 + ... + 283135.

It is an arithmetic number, because the mean of its divisors is an integer number (2548026).

Almost surely, 2^12456994 is an apocalyptic number.

12456994 is a deficient number, since it is larger than the sum of its proper divisors (7927214).

12456994 is a wasteful number, since it uses less digits than its factorization.

12456994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566240.

The product of its digits is 77760, while the sum is 40.

The square root of 12456994 is about 3529.4466988467. The cubic root of 12456994 is about 231.8129809698.

The spelling of 12456994 in words is "twelve million, four hundred fifty-six thousand, nine hundred ninety-four".