12276828 has 36 divisors (see below), whose sum is σ = 31147480. Its totient is φ = 4077216.

The previous prime is 12276827. The next prime is 12276833. The reversal of 12276828 is 82867221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 12276792 and 12276801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13863 + ... + 14721.

Almost surely, 2^12276828 is an apocalyptic number.

12276828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12276828 is an abundant number, since it is smaller than the sum of its proper divisors (18870652).

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

12276828 is a wasteful number, since it uses less digits than its factorization.

12276828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266 (or 1261 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 12276828 is about 3503.8304753512. The cubic root of 12276828 is about 230.6899759635.

The spelling of 12276828 in words is "twelve million, two hundred seventy-six thousand, eight hundred twenty-eight".