2143612 has 12 divisors (see below), whose sum is σ = 3774960. Its totient is φ = 1065056.

The previous prime is 2143579. The next prime is 2143621. The reversal of 2143612 is 2163412.

2143612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2143612.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 937 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (314580).

2^2143612 is an apocalyptic number.

It is an amenable number.

2143612 is a deficient number, since it is larger than the sum of its proper divisors (1631348).

2143612 is a wasteful number, since it uses less digits than its factorization.

2143612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380 (or 3378 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2143612 is about 1464.1079195196. The cubic root of 2143612 is about 128.9383356102.

The spelling of 2143612 in words is "two million, one hundred forty-three thousand, six hundred twelve".