12664714243 has 8 divisors (see below), whose sum is σ = 12695482800. Its totient is φ = 12633973920.

The previous prime is 12664714211. The next prime is 12664714253. The reversal of 12664714243 is 34241746621.

It is a happy number.

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 12664714243 - 2⁵ = 12664714211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12664714196 and 12664714205.

It is not an unprimeable number, because it can be changed into a prime (12664714253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1090833 + ... + 1102381.

It is an arithmetic number, because the mean of its divisors is an integer number (1586935350).

Almost surely, 2^12664714243 is an apocalyptic number.

12664714243 is a deficient number, since it is larger than the sum of its proper divisors (30768557).

12664714243 is a wasteful number, since it uses less digits than its factorization.

12664714243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117.

The product of its digits is 193536, while the sum is 40.

The spelling of 12664714243 in words is "twelve billion, six hundred sixty-four million, seven hundred fourteen thousand, two hundred forty-three".