113402412 has 72 divisors (see below), whose sum is σ = 312202800. Its totient is φ = 34570368.

The previous prime is 113402381. The next prime is 113402417. The reversal of 113402412 is 214204311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113402417) 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 in 23 ways as a sum of consecutive naturals, for example, 16978 + ... + 22694.

It is an arithmetic number, because the mean of its divisors is an integer number (4336150).

Almost surely, 2^113402412 is an apocalyptic number.

113402412 is a gapful number since it is divisible by the number (12) 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 113402412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156101400).

113402412 is an abundant number, since it is smaller than the sum of its proper divisors (198800388).

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

113402412 is a wasteful number, since it uses less digits than its factorization.

113402412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5775 (or 5770 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 113402412 is about 10649.0568596472. The cubic root of 113402412 is about 484.0320255202.

Adding to 113402412 its reverse (214204311), we get a palindrome (327606723).

The spelling of 113402412 in words is "one hundred thirteen million, four hundred two thousand, four hundred twelve".