12563282 has 4 divisors (see below), whose sum is σ = 18844926. Its totient is φ = 6281640.

The previous prime is 12563273. The next prime is 12563321. The reversal of 12563282 is 28236521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28236521 = 571 ⋅49451.

It can be written as a sum of positive squares in only one way, i.e., 10896601 + 1666681 = 3301^2 + 1291^2 .

It is a super-2 number, since 2×12563282² = 315672109223048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140819 + ... + 3140822.

Almost surely, 2^12563282 is an apocalyptic number.

12563282 is a deficient number, since it is larger than the sum of its proper divisors (6281644).

12563282 is an equidigital number, since it uses as much as digits as its factorization.

12563282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6281643.

The product of its digits is 5760, while the sum is 29.

The square root of 12563282 is about 3544.4720340271. The cubic root of 12563282 is about 232.4704213345.

The spelling of 12563282 in words is "twelve million, five hundred sixty-three thousand, two hundred eighty-two".