113012004 has 48 divisors (see below), whose sum is σ = 303564800. Its totient is φ = 32053536.

The previous prime is 113011999. The next prime is 113012027. The reversal of 113012004 is 400210311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6837 + ... + 16515.

Almost surely, 2^113012004 is an apocalyptic number.

113012004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113012004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151782400).

113012004 is an abundant number, since it is smaller than the sum of its proper divisors (190552796).

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

113012004 is a wasteful number, since it uses less digits than its factorization.

113012004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9832 (or 9830 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 113012004 is about 10630.7104184057. The cubic root of 113012004 is about 483.4759313958.

Adding to 113012004 its reverse (400210311), we get a palindrome (513222315).

The spelling of 113012004 in words is "one hundred thirteen million, twelve thousand, four".