5781612 has 12 divisors (see below), whose sum is σ = 13490456. Its totient is φ = 1927200.

The previous prime is 5781599. The next prime is 5781613. The reversal of 5781612 is 2161875.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5781612.

It is not an unprimeable number, because it can be changed into a prime (5781613) 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, 240889 + ... + 240912.

Almost surely, 2^5781612 is an apocalyptic number.

It is an amenable number.

5781612 is an abundant number, since it is smaller than the sum of its proper divisors (7708844).

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

5781612 is a wasteful number, since it uses less digits than its factorization.

5781612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481808 (or 481806 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 5781612 is about 2404.4982844660. The cubic root of 5781612 is about 179.4801047670.

The spelling of 5781612 in words is "five million, seven hundred eighty-one thousand, six hundred twelve".