113613612 has 24 divisors (see below), whose sum is σ = 302969856. Its totient is φ = 32461008.

The previous prime is 113613593. The next prime is 113613631. The reversal of 113613612 is 216316311.

It is an interprime number because it is at equal distance from previous prime (113613593) and next prime (113613631).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676188 + ... + 676355.

It is an arithmetic number, because the mean of its divisors is an integer number (12623744).

Almost surely, 2^113613612 is an apocalyptic number.

113613612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113613612 is an abundant number, since it is smaller than the sum of its proper divisors (189356244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113613612 is a wasteful number, since it uses less digits than its factorization.

113613612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352557 (or 1352555 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 113613612 is about 10658.9686180230. The cubic root of 113613612 is about 484.3323253253.

Adding to 113613612 its reverse (216316311), we get a palindrome (329929923).

It can be divided in two parts, 11361361 and 2, that multiplied together give a palindrome (22722722).

The spelling of 113613612 in words is "one hundred thirteen million, six hundred thirteen thousand, six hundred twelve".