13212585885 has 8 divisors (see below), whose sum is σ = 21140137440. Its totient is φ = 7046712464.

The previous prime is 13212585863. The next prime is 13212585887. The reversal of 13212585885 is 58858521231.

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 13212585885 - 2⁵ = 13212585853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13212585887) 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, 440419515 + ... + 440419544.

It is an arithmetic number, because the mean of its divisors is an integer number (2642517180).

Almost surely, 2^13212585885 is an apocalyptic number.

13212585885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13212585885 is a deficient number, since it is larger than the sum of its proper divisors (7927551555).

13212585885 is an equidigital number, since it uses as much as digits as its factorization.

13212585885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880839067.

The product of its digits is 768000, while the sum is 48.

The spelling of 13212585885 in words is "thirteen billion, two hundred twelve million, five hundred eighty-five thousand, eight hundred eighty-five".