12662962993 has 4 divisors (see below), whose sum is σ = 12684535920. Its totient is φ = 12641390068.

The previous prime is 12662962981. The next prime is 12662962999. The reversal of 12662962993 is 39926926621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12662962993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662962999) 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 3 ways as a sum of consecutive naturals, for example, 10785583 + ... + 10786756.

It is an arithmetic number, because the mean of its divisors is an integer number (3171133980).

Almost surely, 2^12662962993 is an apocalyptic number.

It is an amenable number.

12662962993 is a deficient number, since it is larger than the sum of its proper divisors (21572927).

12662962993 is an equidigital number, since it uses as much as digits as its factorization.

12662962993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21572926.

The product of its digits is 3779136, while the sum is 55.

The spelling of 12662962993 in words is "twelve billion, six hundred sixty-two million, nine hundred sixty-two thousand, nine hundred ninety-three".