12899585479 has 8 divisors (see below), whose sum is σ = 14131157760. Its totient is φ = 11677827000.

The previous prime is 12899585467. The next prime is 12899585551. The reversal of 12899585479 is 97458599821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12899585479 - 2²⁷ = 12765367751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899585459) 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 7 ways as a sum of consecutive naturals, for example, 2450697 + ... + 2455954.

It is an arithmetic number, because the mean of its divisors is an integer number (1766394720).

Almost surely, 2^12899585479 is an apocalyptic number.

12899585479 is a deficient number, since it is larger than the sum of its proper divisors (1231572281).

12899585479 is a wasteful number, since it uses less digits than its factorization.

12899585479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906901.

The product of its digits is 65318400, while the sum is 67.

The spelling of 12899585479 in words is "twelve billion, eight hundred ninety-nine million, five hundred eighty-five thousand, four hundred seventy-nine".