2133912 has 64 divisors (see below), whose sum is σ = 5961600. Its totient is φ = 631040.

The previous prime is 2133899. The next prime is 2133949. The reversal of 2133912 is 2193312.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15508 + ... + 15644.

It is an arithmetic number, because the mean of its divisors is an integer number (93150).

2^2133912 is an apocalyptic number.

2133912 is a gapful number since it is divisible by the number (22) 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 2133912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2980800).

2133912 is an abundant number, since it is smaller than the sum of its proper divisors (3827688).

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

2133912 is a wasteful number, since it uses less digits than its factorization.

2133912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 212 counting only the distinct ones).

The product of its digits is 324, while the sum is 21.

The square root of 2133912 is about 1460.7915662407. The cubic root of 2133912 is about 128.7435564061.

It can be divided in two parts, 21 and 33912, that added together give a palindrome (33933).

The spelling of 2133912 in words is "two million, one hundred thirty-three thousand, nine hundred twelve".