12276404 has 12 divisors (see below), whose sum is σ = 24552864. Its totient is φ = 5261304.

The previous prime is 12276401. The next prime is 12276409. The reversal of 12276404 is 40467221.

12276404 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12276401) 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 3 ways as a sum of consecutive naturals, for example, 219194 + ... + 219249.

It is an arithmetic number, because the mean of its divisors is an integer number (2046072).

Almost surely, 2^12276404 is an apocalyptic number.

12276404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12276404 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.

12276404 is a wasteful number, since it uses less digits than its factorization.

12276404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438454 (or 438452 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 12276404 is about 3503.7699696184. The cubic root of 12276404 is about 230.6873201832.

The spelling of 12276404 in words is "twelve million, two hundred seventy-six thousand, four hundred four".