12616259 has 4 divisors (see below), whose sum is σ = 13164816. Its totient is φ = 12067704.

The previous prime is 12616237. The next prime is 12616271. The reversal of 12616259 is 95261621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12616259 - 2¹⁶ = 12550723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12616229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274244 + ... + 274289.

It is an arithmetic number, because the mean of its divisors is an integer number (3291204).

Almost surely, 2^12616259 is an apocalyptic number.

12616259 is a deficient number, since it is larger than the sum of its proper divisors (548557).

12616259 is an equidigital number, since it uses as much as digits as its factorization.

12616259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548556.

The product of its digits is 6480, while the sum is 32.

The square root of 12616259 is about 3551.9373586819. The cubic root of 12616259 is about 232.7967244750.

The spelling of 12616259 in words is "twelve million, six hundred sixteen thousand, two hundred fifty-nine".