113603647 has 4 divisors (see below), whose sum is σ = 118542960. Its totient is φ = 108664336.

The previous prime is 113603629. The next prime is 113603657. The reversal of 113603647 is 746306311.

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

It is a cyclic number.

It is not a de Polignac number, because 113603647 - 2²³ = 105215039 is a prime.

It is a super-2 number, since 2×113603647² = 25811577223401218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113603617) 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, 2469622 + ... + 2469667.

It is an arithmetic number, because the mean of its divisors is an integer number (29635740).

Almost surely, 2^113603647 is an apocalyptic number.

113603647 is a deficient number, since it is larger than the sum of its proper divisors (4939313).

113603647 is an equidigital number, since it uses as much as digits as its factorization.

113603647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939312.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 113603647 is about 10658.5011610451. The cubic root of 113603647 is about 484.3181647195.

Adding to 113603647 its reverse (746306311), we get a palindrome (859909958).

The spelling of 113603647 in words is "one hundred thirteen million, six hundred three thousand, six hundred forty-seven".