113407217 has 12 divisors (see below), whose sum is σ = 143916336. Its totient is φ = 88368840.

The previous prime is 113407213. The next prime is 113407237. The reversal of 113407217 is 712704311.

It is a happy number.

It is not a de Polignac number, because 113407217 - 2² = 113407213 is a prime.

It is a super-2 number, since 2×113407217² = 25722393735370178, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113407213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104663 + ... + 105740.

It is an arithmetic number, because the mean of its divisors is an integer number (11993028).

Almost surely, 2^113407217 is an apocalyptic number.

It is an amenable number.

113407217 is a deficient number, since it is larger than the sum of its proper divisors (30509119).

113407217 is a wasteful number, since it uses less digits than its factorization.

113407217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210428 (or 210421 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 113407217 is about 10649.2824640912. The cubic root of 113407217 is about 484.0388617681.

The spelling of 113407217 in words is "one hundred thirteen million, four hundred seven thousand, two hundred seventeen".