12942751 has 2 divisors, whose sum is σ = 12942752. Its totient is φ = 12942750.

The previous prime is 12942739. The next prime is 12942791. The reversal of 12942751 is 15724921.

It is a weak prime.

It is an emirp because it is prime and its reverse (15724921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12942751 - 2⁷ = 12942623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12942701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6471375 + 6471376.

It is an arithmetic number, because the mean of its divisors is an integer number (6471376).

Almost surely, 2^12942751 is an apocalyptic number.

12942751 is a deficient number, since it is larger than the sum of its proper divisors (1).

12942751 is an equidigital number, since it uses as much as digits as its factorization.

12942751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 12942751 is about 3597.6035078924. The cubic root of 12942751 is about 234.7878030187.

The spelling of 12942751 in words is "twelve million, nine hundred forty-two thousand, seven hundred fifty-one".