5209912 has 8 divisors (see below), whose sum is σ = 9768600. Its totient is φ = 2604952.

The previous prime is 5209901. The next prime is 5209913. The reversal of 5209912 is 2199025.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5209913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325612 + ... + 325627.

It is an arithmetic number, because the mean of its divisors is an integer number (1221075).

Almost surely, 2^5209912 is an apocalyptic number.

It is an amenable number.

5209912 is a deficient number, since it is larger than the sum of its proper divisors (4558688).

5209912 is a wasteful number, since it uses less digits than its factorization.

5209912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651245 (or 651241 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5209912 is about 2282.5231652713. The cubic root of 5209912 is about 173.3578301998.

The spelling of 5209912 in words is "five million, two hundred nine thousand, nine hundred twelve".