12683952401 has 4 divisors (see below), whose sum is σ = 13121330100. Its totient is φ = 12246574704.

The previous prime is 12683952397. The next prime is 12683952451. The reversal of 12683952401 is 10425938621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3549180625 + 9134771776 = 59575^2 + 95576^2 .

It is a cyclic number.

It is not a de Polignac number, because 12683952401 - 2² = 12683952397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12683952451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218688806 + ... + 218688863.

It is an arithmetic number, because the mean of its divisors is an integer number (3280332525).

Almost surely, 2^12683952401 is an apocalyptic number.

It is an amenable number.

12683952401 is a deficient number, since it is larger than the sum of its proper divisors (437377699).

12683952401 is an equidigital number, since it uses as much as digits as its factorization.

12683952401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437377698.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 12683952401 in words is "twelve billion, six hundred eighty-three million, nine hundred fifty-two thousand, four hundred one".