12795207621 has 8 divisors (see below), whose sum is σ = 19497459264. Its totient is φ = 7311547200.

The previous prime is 12795207611. The next prime is 12795207637. The reversal of 12795207621 is 12670259721.

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

It is not a de Polignac number, because 12795207621 - 2⁹ = 12795207109 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12795207611) 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, 304647780 + ... + 304647821.

It is an arithmetic number, because the mean of its divisors is an integer number (2437182408).

Almost surely, 2^12795207621 is an apocalyptic number.

It is an amenable number.

12795207621 is a deficient number, since it is larger than the sum of its proper divisors (6702251643).

12795207621 is an equidigital number, since it uses as much as digits as its factorization.

12795207621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609295611.

The product of its (nonzero) digits is 105840, while the sum is 42.

The spelling of 12795207621 in words is "twelve billion, seven hundred ninety-five million, two hundred seven thousand, six hundred twenty-one".