12822740 has 24 divisors (see below), whose sum is σ = 30774912. Its totient is φ = 4396320.

The previous prime is 12822731. The next prime is 12822763. The reversal of 12822740 is 4722821.

It is a super-2 number, since 2×12822740² = 328845322215200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45656 + ... + 45935.

It is an arithmetic number, because the mean of its divisors is an integer number (1282288).

Almost surely, 2^12822740 is an apocalyptic number.

12822740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12822740 is an abundant number, since it is smaller than the sum of its proper divisors (17952172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12822740 is a wasteful number, since it uses less digits than its factorization.

12822740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91607 (or 91605 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12822740 is about 3580.8853653810. The cubic root of 12822740 is about 234.0598624453.

The spelling of 12822740 in words is "twelve million, eight hundred twenty-two thousand, seven hundred forty".