12987692961601 has 8 divisors (see below), whose sum is σ = 13428309382400. Its totient is φ = 12548430202320.

The previous prime is 12987692961563. The next prime is 12987692961637. The reversal of 12987692961601 is 10616929678921.

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 12987692961601 - 2¹³ = 12987692953409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12987692961301) 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, 338395866 + ... + 338434243.

It is an arithmetic number, because the mean of its divisors is an integer number (1678538672800).

Almost surely, 2^{12987692961601} is an apocalyptic number.

It is an amenable number.

12987692961601 is a deficient number, since it is larger than the sum of its proper divisors (440616420799).

12987692961601 is an equidigital number, since it uses as much as digits as its factorization.

12987692961601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676830759.

The product of its (nonzero) digits is 35271936, while the sum is 67.

The spelling of 12987692961601 in words is "twelve trillion, nine hundred eighty-seven billion, six hundred ninety-two million, nine hundred sixty-one thousand, six hundred one".