12240828 has 24 divisors (see below), whose sum is σ = 31735760. Its totient is φ = 4080240.

The previous prime is 12240803. The next prime is 12240841. The reversal of 12240828 is 82804221.

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

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, 56563 + ... + 56778.

Almost surely, 2^12240828 is an apocalyptic number.

12240828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12240828 is an abundant number, since it is smaller than the sum of its proper divisors (19494932).

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

12240828 is a wasteful number, since it uses less digits than its factorization.

12240828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113354 (or 113346 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 12240828 is about 3498.6894689298. The cubic root of 12240828 is about 230.4642670111.

The spelling of 12240828 in words is "twelve million, two hundred forty thousand, eight hundred twenty-eight".