12916459 has 4 divisors (see below), whose sum is σ = 12925080. Its totient is φ = 12907840.

The previous prime is 12916451. The next prime is 12916487. The reversal of 12916459 is 95461921.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12916459 - 2³ = 12916451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12916451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1414 + ... + 5275.

It is an arithmetic number, because the mean of its divisors is an integer number (3231270).

Almost surely, 2^12916459 is an apocalyptic number.

12916459 is a deficient number, since it is larger than the sum of its proper divisors (8621).

12916459 is an equidigital number, since it uses as much as digits as its factorization.

12916459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8620.

The product of its digits is 19440, while the sum is 37.

The square root of 12916459 is about 3593.9475510920. The cubic root of 12916459 is about 234.6287120180.

It can be divided in two parts, 1291 and 6459, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 12916459 in words is "twelve million, nine hundred sixteen thousand, four hundred fifty-nine".