117299213 has 4 divisors (see below), whose sum is σ = 120469500. Its totient is φ = 114128928.

The previous prime is 117299209. The next prime is 117299219. The reversal of 117299213 is 312992711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 113145769 + 4153444 = 10637^2 + 2038^2 .

It is a cyclic number.

It is not a de Polignac number, because 117299213 - 2² = 117299209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117299219) 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, 1585088 + ... + 1585161.

It is an arithmetic number, because the mean of its divisors is an integer number (30117375).

Almost surely, 2^117299213 is an apocalyptic number.

It is an amenable number.

117299213 is a deficient number, since it is larger than the sum of its proper divisors (3170287).

117299213 is an equidigital number, since it uses as much as digits as its factorization.

117299213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3170286.

The product of its digits is 6804, while the sum is 35.

The square root of 117299213 is about 10830.4761206514. The cubic root of 117299213 is about 489.5139049993.

The spelling of 117299213 in words is "one hundred seventeen million, two hundred ninety-nine thousand, two hundred thirteen".