5091812 has 24 divisors (see below), whose sum is σ = 10036992. Its totient is φ = 2239200.

The previous prime is 5091803. The next prime is 5091817. The reversal of 5091812 is 2181905.

It is a happy number.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5091817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 503 + ... + 3230.

It is an arithmetic number, because the mean of its divisors is an integer number (418208).

Almost surely, 2^5091812 is an apocalyptic number.

It is an amenable number.

5091812 is a deficient number, since it is larger than the sum of its proper divisors (4945180).

5091812 is a wasteful number, since it uses less digits than its factorization.

5091812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3779 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

The square root of 5091812 is about 2256.5043762422. The cubic root of 5091812 is about 172.0378950216.

The spelling of 5091812 in words is "five million, ninety-one thousand, eight hundred twelve".