12715451 has 6 divisors (see below), whose sum is σ = 14791500. Its totient is φ = 10898916.

The previous prime is 12715447. The next prime is 12715471. The reversal of 12715451 is 15451721.

It is not a de Polignac number, because 12715451 - 2² = 12715447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12715451.

It is not an unprimeable number, because it can be changed into a prime (12715441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129701 + ... + 129798.

It is an arithmetic number, because the mean of its divisors is an integer number (2465250).

Almost surely, 2^12715451 is an apocalyptic number.

12715451 is a deficient number, since it is larger than the sum of its proper divisors (2076049).

12715451 is an equidigital number, since it uses as much as digits as its factorization.

12715451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259513 (or 259506 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 12715451 is about 3565.8731048651. The cubic root of 12715451 is about 233.4052333978.

The spelling of 12715451 in words is "twelve million, seven hundred fifteen thousand, four hundred fifty-one".