12822531 has 4 divisors (see below), whose sum is σ = 17096712. Its totient is φ = 8548352.

The previous prime is 12822521. The next prime is 12822541. The reversal of 12822531 is 13522821.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12822521) and next prime (12822541).

It is a cyclic number.

It is not a de Polignac number, because 12822531 - 2¹³ = 12814339 is a prime.

It is a super-2 number, since 2×12822531² = 328834602491922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12822521) 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, 2137086 + ... + 2137091.

It is an arithmetic number, because the mean of its divisors is an integer number (4274178).

Almost surely, 2^12822531 is an apocalyptic number.

12822531 is a deficient number, since it is larger than the sum of its proper divisors (4274181).

12822531 is an equidigital number, since it uses as much as digits as its factorization.

12822531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4274180.

The product of its digits is 960, while the sum is 24.

The square root of 12822531 is about 3580.8561825351. The cubic root of 12822531 is about 234.0585907780.

The spelling of 12822531 in words is "twelve million, eight hundred twenty-two thousand, five hundred thirty-one".