13243719412 has 36 divisors (see below), whose sum is σ = 29411381664. Its totient is φ = 5159889840.

The previous prime is 13243719407. The next prime is 13243719413. The reversal of 13243719412 is 21491734231.

It is a super-2 number, since 2×13243719412² (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 (13243719413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3069208 + ... + 3073519.

It is an arithmetic number, because the mean of its divisors is an integer number (816982824).

Almost surely, 2^13243719412 is an apocalyptic number.

It is an amenable number.

13243719412 is an abundant number, since it is smaller than the sum of its proper divisors (16167662252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13243719412 is a wasteful number, since it uses less digits than its factorization.

13243719412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6142756 (or 6142747 counting only the distinct ones).

The product of its digits is 36288, while the sum is 37.

It can be divided in two parts, 13243 and 719412, that added together give a triangular number (732655 = T₁₂₁₀).

The spelling of 13243719412 in words is "thirteen billion, two hundred forty-three million, seven hundred nineteen thousand, four hundred twelve".