12826388 has 6 divisors (see below), whose sum is σ = 22446186. Its totient is φ = 6413192.

The previous prime is 12826379. The next prime is 12826391. The reversal of 12826388 is 88362821.

12826388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 868624 = 3458^2 + 932^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1603295 + ... + 1603302.

It is an arithmetic number, because the mean of its divisors is an integer number (3741031).

Almost surely, 2^12826388 is an apocalyptic number.

It is an amenable number.

12826388 is a deficient number, since it is larger than the sum of its proper divisors (9619798).

12826388 is a wasteful number, since it uses less digits than its factorization.

12826388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3206601 (or 3206599 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 12826388 is about 3581.3947003926. The cubic root of 12826388 is about 234.0820565946.

The spelling of 12826388 in words is "twelve million, eight hundred twenty-six thousand, three hundred eighty-eight".