12022549 has 16 divisors (see below), whose sum is σ = 15085440. Its totient is φ = 9308160.

The previous prime is 12022531. The next prime is 12022561. The reversal of 12022549 is 94522021.

It is a cyclic number.

It is not a de Polignac number, because 12022549 - 2¹³ = 12014357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14457 + ... + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (942840).

Almost surely, 2^12022549 is an apocalyptic number.

It is an amenable number.

12022549 is a deficient number, since it is larger than the sum of its proper divisors (3062891).

12022549 is a wasteful number, since it uses less digits than its factorization.

12022549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12022549 is about 3467.3547554296. The cubic root of 12022549 is about 229.0861596805.

The spelling of 12022549 in words is "twelve million, twenty-two thousand, five hundred forty-nine".