113966 has 4 divisors (see below), whose sum is σ = 170952. Its totient is φ = 56982.

The previous prime is 113963. The next prime is 113969. The reversal of 113966 is 669311.

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

It is an interprime number because it is at equal distance from previous prime (113963) and next prime (113969).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28490 + ... + 28493.

It is an arithmetic number, because the mean of its divisors is an integer number (42738).

2¹¹³⁹⁶⁶ is an apocalyptic number.

113966 is a deficient number, since it is larger than the sum of its proper divisors (56986).

113966 is an equidigital number, since it uses as much as digits as its factorization.

113966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56985.

The product of its digits is 972, while the sum is 26.

The square root of 113966 is about 337.5885069134. The cubic root of 113966 is about 48.4832549271.

The spelling of 113966 in words is "one hundred thirteen thousand, nine hundred sixty-six".