117950013 has 28 divisors (see below), whose sum is σ = 178285788. Its totient is φ = 77993280.

The previous prime is 117950011. The next prime is 117950023. The reversal of 117950013 is 310059711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 91355364 + 26594649 = 9558^2 + 5157^2 .

It is not a de Polignac number, because 117950013 - 2¹ = 117950011 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117950011) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 99283 + ... + 100463.

Almost surely, 2^117950013 is an apocalyptic number.

It is an amenable number.

117950013 is a deficient number, since it is larger than the sum of its proper divisors (60335775).

117950013 is an equidigital number, since it uses as much as digits as its factorization.

117950013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 117950013 is about 10860.4794093079. The cubic root of 117950013 is about 490.4175435839.

The spelling of 117950013 in words is "one hundred seventeen million, nine hundred fifty thousand, thirteen".