2113912 has 16 divisors (see below), whose sum is σ = 3994200. Its totient is φ = 1048800.

The previous prime is 2113901. The next prime is 2113913. The reversal of 2113912 is 2193112.

It is a super-3 number, since 3×2113912³ = 28338833334503299584, which contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162 + ... + 2062.

2^2113912 is an apocalyptic number.

It is an amenable number.

2113912 is a deficient number, since it is larger than the sum of its proper divisors (1880288).

2113912 is a wasteful number, since it uses less digits than its factorization.

2113912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046 (or 2042 counting only the distinct ones).

The product of its digits is 108, while the sum is 19.

The square root of 2113912 is about 1453.9298470009. The cubic root of 2113912 is about 128.3400787294.

It can be divided in two parts, 2113 and 912, that added together give a square (3025 = 55²).

The spelling of 2113912 in words is "two million, one hundred thirteen thousand, nine hundred twelve".