12328974691 has 16 divisors (see below), whose sum is σ = 13888281600. Its totient is φ = 10842991200.

The previous prime is 12328974683. The next prime is 12328974703. The reversal of 12328974691 is 19647982321.

It is a cyclic number.

It is not a de Polignac number, because 12328974691 - 2³ = 12328974683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12328974641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1926525 + ... + 1932913.

It is an arithmetic number, because the mean of its divisors is an integer number (868017600).

Almost surely, 2^12328974691 is an apocalyptic number.

12328974691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12328974691 is a deficient number, since it is larger than the sum of its proper divisors (1559306909).

12328974691 is a wasteful number, since it uses less digits than its factorization.

12328974691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12090.

The product of its digits is 1306368, while the sum is 52.

The spelling of 12328974691 in words is "twelve billion, three hundred twenty-eight million, nine hundred seventy-four thousand, six hundred ninety-one".