5663812 has 72 divisors (see below), whose sum is σ = 13099968. Its totient is φ = 2116800.

The previous prime is 5663807. The next prime is 5663821. The reversal of 5663812 is 2183665.

It is a nialpdrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 79737 + ... + 79807.

It is an arithmetic number, because the mean of its divisors is an integer number (181944).

Almost surely, 2^5663812 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 5663812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6549984).

5663812 is an abundant number, since it is smaller than the sum of its proper divisors (7436156).

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

5663812 is a wasteful number, since it uses less digits than its factorization.

5663812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 128 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 5663812 is about 2379.8764673823. The cubic root of 5663812 is about 178.2527655008.

The spelling of 5663812 in words is "five million, six hundred sixty-three thousand, eight hundred twelve".