113683947 has 16 divisors (see below), whose sum is σ = 172841760. Its totient is φ = 65843712.

The previous prime is 113683937. The next prime is 113683949. The reversal of 113683947 is 749386311.

It is not a de Polignac number, because 113683947 - 2¹⁰ = 113682923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113683899 and 113683908.

It is not an unprimeable number, because it can be changed into a prime (113683949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85072 + ... + 86397.

It is an arithmetic number, because the mean of its divisors is an integer number (10802610).

Almost surely, 2^113683947 is an apocalyptic number.

113683947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

113683947 is a deficient number, since it is larger than the sum of its proper divisors (59157813).

113683947 is a wasteful number, since it uses less digits than its factorization.

113683947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171502.

The product of its digits is 108864, while the sum is 42.

The square root of 113683947 is about 10662.2674417780. The cubic root of 113683947 is about 484.4322502265.

The spelling of 113683947 in words is "one hundred thirteen million, six hundred eighty-three thousand, nine hundred forty-seven".