12766651390 has 8 divisors (see below), whose sum is σ = 22979972520. Its totient is φ = 5106660552.

The previous prime is 12766651357. The next prime is 12766651409. The reversal of 12766651390 is 9315666721.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12766651390.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638332560 + ... + 638332579.

It is an arithmetic number, because the mean of its divisors is an integer number (2872496565).

Almost surely, 2^12766651390 is an apocalyptic number.

12766651390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12766651390 is a deficient number, since it is larger than the sum of its proper divisors (10213321130).

12766651390 is a wasteful number, since it uses less digits than its factorization.

12766651390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276665146.

The product of its (nonzero) digits is 408240, while the sum is 46.

The spelling of 12766651390 in words is "twelve billion, seven hundred sixty-six million, six hundred fifty-one thousand, three hundred ninety".