12700828 has 12 divisors (see below), whose sum is σ = 25401712. Its totient is φ = 5443200.

The previous prime is 12700823. The next prime is 12700837. The reversal of 12700828 is 82800721.

12700828 is an admirable number.

It is a super-2 number, since 2×12700828² = 322622063771168, which contains 22 as substring.

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 Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 453601 = 12700828 / (1 + 2 + 7 + 0 + 0 + 8 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 12700796 and 12700805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12700823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226773 + ... + 226828.

Almost surely, 2^12700828 is an apocalyptic number.

It is an amenable number.

12700828 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12700828 is a wasteful number, since it uses less digits than its factorization.

12700828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453612 (or 453610 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12700828 is about 3563.8221055490. The cubic root of 12700828 is about 233.3157256555.

The spelling of 12700828 in words is "twelve million, seven hundred thousand, eight hundred twenty-eight".