12942718 has 4 divisors (see below), whose sum is σ = 19414080. Its totient is φ = 6471358.

The previous prime is 12942701. The next prime is 12942737. The reversal of 12942718 is 81724921.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3235678 + ... + 3235681.

It is an arithmetic number, because the mean of its divisors is an integer number (4853520).

Almost surely, 2^12942718 is an apocalyptic number.

12942718 is a deficient number, since it is larger than the sum of its proper divisors (6471362).

12942718 is an equidigital number, since it uses as much as digits as its factorization.

12942718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6471361.

The product of its digits is 8064, while the sum is 34.

The square root of 12942718 is about 3597.5989215031. The cubic root of 12942718 is about 234.7876034732.

The spelling of 12942718 in words is "twelve million, nine hundred forty-two thousand, seven hundred eighteen".