12662581339 has 4 divisors (see below), whose sum is σ = 12778751920. Its totient is φ = 12546410760.

The previous prime is 12662581333. The next prime is 12662581381. The reversal of 12662581339 is 93318526621.

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 12662581339 - 2⁵ = 12662581307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662581333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58085127 + ... + 58085344.

It is an arithmetic number, because the mean of its divisors is an integer number (3194687980).

Almost surely, 2^12662581339 is an apocalyptic number.

12662581339 is a deficient number, since it is larger than the sum of its proper divisors (116170581).

12662581339 is a wasteful number, since it uses less digits than its factorization.

12662581339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116170580.

The product of its digits is 466560, while the sum is 46.

The spelling of 12662581339 in words is "twelve billion, six hundred sixty-two million, five hundred eighty-one thousand, three hundred thirty-nine".