5109912 has 64 divisors (see below), whose sum is σ = 14565600. Its totient is φ = 1658880.

The previous prime is 5109899. The next prime is 5109919. The reversal of 5109912 is 2199015.

It is a happy number.

5109912 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×5109912² = 52222401295488, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5109919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8568 + ... + 9144.

Almost surely, 2^5109912 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 5109912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7282800).

5109912 is an abundant number, since it is smaller than the sum of its proper divisors (9455688).

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

5109912 is a wasteful number, since it uses less digits than its factorization.

5109912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 5109912 is about 2260.5114465536. The cubic root of 5109912 is about 172.2415031869.

The spelling of 5109912 in words is "five million, one hundred nine thousand, nine hundred twelve".