12605828 has 18 divisors (see below), whose sum is σ = 22389486. Its totient is φ = 6209728.

The previous prime is 12605821. The next prime is 12605839. The reversal of 12605828 is 82850621.

It can be written as a sum of positive squares in only one way, i.e., 7139584 + 5466244 = 2672^2 + 2338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12605794 and 12605803.

It is not an unprimeable number, because it can be changed into a prime (12605821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75401 + ... + 75567.

Almost surely, 2^12605828 is an apocalyptic number.

It is an amenable number.

12605828 is a deficient number, since it is larger than the sum of its proper divisors (9783658).

12605828 is a wasteful number, since it uses less digits than its factorization.

12605828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 12605828 is about 3550.4687014534. The cubic root of 12605828 is about 232.7325487640.

The spelling of 12605828 in words is "twelve million, six hundred five thousand, eight hundred twenty-eight".