2137812 has 12 divisors (see below), whose sum is σ = 4988256. Its totient is φ = 712600.

The previous prime is 2137771. The next prime is 2137813. The reversal of 2137812 is 2187312.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2137813) 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, 89064 + ... + 89087.

It is an arithmetic number, because the mean of its divisors is an integer number (415688).

2^2137812 is an apocalyptic number.

It is an amenable number.

2137812 is an abundant number, since it is smaller than the sum of its proper divisors (2850444).

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

2137812 is a wasteful number, since it uses less digits than its factorization.

2137812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178158 (or 178156 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 2137812 is about 1462.1258495766. The cubic root of 2137812 is about 128.8219405032.

The spelling of 2137812 in words is "two million, one hundred thirty-seven thousand, eight hundred twelve".