113727213 has 8 divisors (see below), whose sum is σ = 168484800. Its totient is φ = 75818124.

The previous prime is 113727191. The next prime is 113727223. The reversal of 113727213 is 312727311.

It is not a de Polignac number, because 113727213 - 2¹² = 113723117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4212119 = 113727213 / (1 + 1 + 3 + 7 + 2 + 7 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113727223) 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 7 ways as a sum of consecutive naturals, for example, 2106033 + ... + 2106086.

It is an arithmetic number, because the mean of its divisors is an integer number (21060600).

Almost surely, 2^113727213 is an apocalyptic number.

It is an amenable number.

113727213 is a deficient number, since it is larger than the sum of its proper divisors (54757587).

113727213 is an equidigital number, since it uses as much as digits as its factorization.

113727213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4212128 (or 4212122 counting only the distinct ones).

The product of its digits is 1764, while the sum is 27.

The square root of 113727213 is about 10664.2961793078. The cubic root of 113727213 is about 484.4936977393.

The spelling of 113727213 in words is "one hundred thirteen million, seven hundred twenty-seven thousand, two hundred thirteen".