13240124213 has 4 divisors (see below), whose sum is σ = 13241429568. Its totient is φ = 13238818860.

The previous prime is 13240124207. The next prime is 13240124231. The reversal of 13240124213 is 31242104231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13240124213 - 2²⁸ = 12971688757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240124243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637343 + ... + 657788.

It is an arithmetic number, because the mean of its divisors is an integer number (3310357392).

Almost surely, 2^13240124213 is an apocalyptic number.

It is an amenable number.

13240124213 is a deficient number, since it is larger than the sum of its proper divisors (1305355).

13240124213 is a wasteful number, since it uses less digits than its factorization.

13240124213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305354.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 13240124213 its reverse (31242104231), we get a palindrome (44482228444).

The spelling of 13240124213 in words is "thirteen billion, two hundred forty million, one hundred twenty-four thousand, two hundred thirteen".