12791134837 has 8 divisors (see below), whose sum is σ = 14500072160. Its totient is φ = 11185769520.

The previous prime is 12791134823. The next prime is 12791134841. The reversal of 12791134837 is 73843119721.

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 12791134837 - 2¹¹ = 12791132789 is a prime.

It is a super-2 number, since 2×12791134837² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12791134337) 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, 25892739 + ... + 25893232.

It is an arithmetic number, because the mean of its divisors is an integer number (1812509020).

Almost surely, 2^12791134837 is an apocalyptic number.

It is an amenable number.

12791134837 is a deficient number, since it is larger than the sum of its proper divisors (1708937323).

12791134837 is a wasteful number, since it uses less digits than its factorization.

12791134837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51786003.

The product of its digits is 254016, while the sum is 46.

The spelling of 12791134837 in words is "twelve billion, seven hundred ninety-one million, one hundred thirty-four thousand, eight hundred thirty-seven".