2512812 has 12 divisors (see below), whose sum is σ = 5863256. Its totient is φ = 837600.

The previous prime is 2512801. The next prime is 2512813. The reversal of 2512812 is 2182152.

It is a happy number.

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

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2512813) 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, 104689 + ... + 104712.

2^2512812 is an apocalyptic number.

It is an amenable number.

2512812 is an abundant number, since it is smaller than the sum of its proper divisors (3350444).

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

2512812 is a wasteful number, since it uses less digits than its factorization.

2512812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209408 (or 209406 counting only the distinct ones).

The product of its digits is 320, while the sum is 21.

The square root of 2512812 is about 1585.1851626861. The cubic root of 2512812 is about 135.9523333529.

Adding to 2512812 its reverse (2182152), we get a palindrome (4694964).

The spelling of 2512812 in words is "two million, five hundred twelve thousand, eight hundred twelve".