12446344677 has 16 divisors (see below), whose sum is σ = 17880428160. Its totient is φ = 7655537472.

The previous prime is 12446344667. The next prime is 12446344681. The reversal of 12446344677 is 77644364421.

It is not a de Polignac number, because 12446344677 - 2⁴ = 12446344661 is a prime.

It is a super-2 number, since 2×12446344677² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12446344627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568 + ... + 157814.

It is an arithmetic number, because the mean of its divisors is an integer number (1117526760).

Almost surely, 2^12446344677 is an apocalyptic number.

It is an amenable number.

12446344677 is a deficient number, since it is larger than the sum of its proper divisors (5434083483).

12446344677 is a wasteful number, since it uses less digits than its factorization.

12446344677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156332.

The product of its digits is 2709504, while the sum is 48.

The spelling of 12446344677 in words is "twelve billion, four hundred forty-six million, three hundred forty-four thousand, six hundred seventy-seven".