12821476 has 12 divisors (see below), whose sum is σ = 23161600. Its totient is φ = 6203880.

The previous prime is 12821461. The next prime is 12821477. The reversal of 12821476 is 67412821.

12821476 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (31) 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 (31).

It is not an unprimeable number, because it can be changed into a prime (12821477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51576 + ... + 51823.

Almost surely, 2^12821476 is an apocalyptic number.

It is an amenable number.

12821476 is a deficient number, since it is larger than the sum of its proper divisors (10340124).

12821476 is a wasteful number, since it uses less digits than its factorization.

12821476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103434 (or 103432 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 12821476 is about 3580.7088683667. The cubic root of 12821476 is about 234.0521713853.

The spelling of 12821476 in words is "twelve million, eight hundred twenty-one thousand, four hundred seventy-six".