117513207 has 32 divisors (see below), whose sum is σ = 203212800.
Its totient is φ = 65716704.
The previous prime is 117513199. The next prime is 117513223. The reversal of 117513207 is 702315711.
Adding to 117513207 its reverse (702315711), we get a palindrome (819828918).
It is a happy number.
It is not a de Polignac number, because 117513207 - 23 = 117513199 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 (117513247) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2269 + ... + 15497.
It is an arithmetic number, because the mean of its divisors is an integer number (6350400).
Almost surely, 2117513207 is an apocalyptic number.
117513207 is a deficient number, since it is larger than the sum of its proper divisors (85699593).
117513207 is a wasteful number, since it uses less digits than its factorization.
117513207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13292 (or 13286 counting only the distinct ones).
The product of its (nonzero) digits is 1470, while the sum is 27.
The square root of 117513207 is about 10840.3508707052.
The cubic root of 117513207 is about 489.8114045834.
The spelling of 117513207 in words is "one hundred seventeen million, five hundred thirteen thousand, two hundred seven".