12511828 has 24 divisors (see below), whose sum is σ = 25200000. Its totient is φ = 5324448.

The previous prime is 12511787. The next prime is 12511843. The reversal of 12511828 is 82811521.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12511796 and 12511805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2673 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000).

Almost surely, 2^12511828 is an apocalyptic number.

It is an amenable number.

12511828 is an abundant number, since it is smaller than the sum of its proper divisors (12688172).

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

12511828 is a wasteful number, since it uses less digits than its factorization.

12511828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159 (or 3157 counting only the distinct ones).

The product of its digits is 1280, while the sum is 28.

The square root of 12511828 is about 3537.2062422200. The cubic root of 12511828 is about 232.1526195545.

The spelling of 12511828 in words is "twelve million, five hundred eleven thousand, eight hundred twenty-eight".