12740437039 has 4 divisors (see below), whose sum is σ = 13898658600. Its totient is φ = 11582215480.

The previous prime is 12740437033. The next prime is 12740437043. The reversal of 12740437039 is 93073404721.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12740437039 - 2³¹ = 10592953391 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12740436992 and 12740437010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740437033) 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, 579110764 + ... + 579110785.

It is an arithmetic number, because the mean of its divisors is an integer number (3474664650).

Almost surely, 2^12740437039 is an apocalyptic number.

12740437039 is a deficient number, since it is larger than the sum of its proper divisors (1158221561).

12740437039 is a wasteful number, since it uses less digits than its factorization.

12740437039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158221560.

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 12740437039 in words is "twelve billion, seven hundred forty million, four hundred thirty-seven thousand, thirty-nine".