13271630737 has 8 divisors (see below), whose sum is σ = 14282681832. Its totient is φ = 12286176000.

The previous prime is 13271630717. The next prime is 13271630759. The reversal of 13271630737 is 73703617231.

It can be written as a sum of positive squares in 4 ways, for example, as 1667170561 + 11604460176 = 40831^2 + 107724^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13271630737 is a prime.

It is a super-2 number, since 2×13271630737² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13271630737.

It is not an unprimeable number, because it can be changed into a prime (13271630717) 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, 6398014 + ... + 6400087.

It is an arithmetic number, because the mean of its divisors is an integer number (1785335229).

Almost surely, 2^13271630737 is an apocalyptic number.

13271630737 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13271630737 is a deficient number, since it is larger than the sum of its proper divisors (1011051095).

13271630737 is a wasteful number, since it uses less digits than its factorization.

13271630737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12798179.

The product of its (nonzero) digits is 111132, while the sum is 40.

The spelling of 13271630737 in words is "thirteen billion, two hundred seventy-one million, six hundred thirty thousand, seven hundred thirty-seven".