12826478 has 8 divisors (see below), whose sum is σ = 21988272. Its totient is φ = 5497056.

The previous prime is 12826469. The next prime is 12826493. The reversal of 12826478 is 87462821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458075 + ... + 458102.

It is an arithmetic number, because the mean of its divisors is an integer number (2748534).

Almost surely, 2^12826478 is an apocalyptic number.

12826478 is a deficient number, since it is larger than the sum of its proper divisors (9161794).

12826478 is an equidigital number, since it uses as much as digits as its factorization.

12826478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916186.

The product of its digits is 43008, while the sum is 38.

The square root of 12826478 is about 3581.4072653079. The cubic root of 12826478 is about 234.0826040944.

The spelling of 12826478 in words is "twelve million, eight hundred twenty-six thousand, four hundred seventy-eight".