5212812 has 96 divisors (see below), whose sum is σ = 14805504. Its totient is φ = 1408000.

The previous prime is 5212811. The next prime is 5212813. The reversal of 5212812 is 2182125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5212811) and next prime (5212813).

It is not an unprimeable number, because it can be changed into a prime (5212811) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 51562 + ... + 51662.

It is an arithmetic number, because the mean of its divisors is an integer number (154224).

Almost surely, 2^5212812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5212812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7402752).

5212812 is an abundant number, since it is smaller than the sum of its proper divisors (9592692).

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

5212812 is a wasteful number, since it uses less digits than its factorization.

5212812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159 (or 157 counting only the distinct ones).

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

The square root of 5212812 is about 2283.1583387930. The cubic root of 5212812 is about 173.3899896974.

Adding to 5212812 its reverse (2182125), we get a palindrome (7394937).

It can be divided in two parts, 521 and 2812, that added together give a palindrome (3333).

The spelling of 5212812 in words is "five million, two hundred twelve thousand, eight hundred twelve".