13247874231 has 8 divisors (see below), whose sum is σ = 17845934064. Its totient is φ = 8740865280.

The previous prime is 13247874187. The next prime is 13247874239.

13247874231 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 13247874231 - 2⁹ = 13247873719 is a prime.

It is a super-2 number, since 2×13247874231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13247874239) 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, 22762380 + ... + 22762961.

It is an arithmetic number, because the mean of its divisors is an integer number (2230741758).

Almost surely, 2^13247874231 is an apocalyptic number.

13247874231 is a deficient number, since it is larger than the sum of its proper divisors (4598059833).

13247874231 is an equidigital number, since it uses as much as digits as its factorization.

13247874231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45525441.

The product of its digits is 225792, while the sum is 42.

The spelling of 13247874231 in words is "thirteen billion, two hundred forty-seven million, eight hundred seventy-four thousand, two hundred thirty-one".