2135612 has 12 divisors (see below), whose sum is σ = 3750936. Its totient is φ = 1063920.

The previous prime is 2135611. The next prime is 2135641. The reversal of 2135612 is 2165312.

It is a super-2 number, since 2×2135612² = 9121677229088, which contains 22 as substring.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2135611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518 + ... + 2130.

It is an arithmetic number, because the mean of its divisors is an integer number (312578).

2^2135612 is an apocalyptic number.

It is an amenable number.

2135612 is a deficient number, since it is larger than the sum of its proper divisors (1615324).

2135612 is a wasteful number, since it uses less digits than its factorization.

2135612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948 (or 1946 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 2135612 is about 1461.3733267033. The cubic root of 2135612 is about 128.7777355649. Note that the first 4 decimals are identical.

The spelling of 2135612 in words is "two million, one hundred thirty-five thousand, six hundred twelve".