12451679 has 2 divisors, whose sum is σ = 12451680. Its totient is φ = 12451678.

The previous prime is 12451657. The next prime is 12451693. The reversal of 12451679 is 97615421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12451679 - 2²⁰ = 11403103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12451619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225839 + 6225840.

It is an arithmetic number, because the mean of its divisors is an integer number (6225840).

Almost surely, 2^12451679 is an apocalyptic number.

12451679 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451679 is an equidigital number, since it uses as much as digits as its factorization.

12451679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 12451679 is about 3528.6936676340. The cubic root of 12451679 is about 231.7800072239.

The spelling of 12451679 in words is "twelve million, four hundred fifty-one thousand, six hundred seventy-nine".