5218812 has 18 divisors (see below), whose sum is σ = 13192088. Its totient is φ = 1739592.

The previous prime is 5218793. The next prime is 5218817. The reversal of 5218812 is 2188125.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72448 + ... + 72519.

Almost surely, 2^5218812 is an apocalyptic number.

It is an amenable number.

5218812 is an abundant number, since it is smaller than the sum of its proper divisors (7973276).

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

5218812 is a wasteful number, since it uses less digits than its factorization.

5218812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144977 (or 144972 counting only the distinct ones).

The product of its digits is 1280, while the sum is 27.

The square root of 5218812 is about 2284.4719302281. The cubic root of 5218812 is about 173.4564887415.

The spelling of 5218812 in words is "five million, two hundred eighteen thousand, eight hundred twelve".