11622549 has 12 divisors (see below), whose sum is σ = 15733536. Its totient is φ = 7631712.

The previous prime is 11622539. The next prime is 11622563. The reversal of 11622549 is 94522611.

It is not a de Polignac number, because 11622549 - 2⁵ = 11622517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622539) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 15624 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (1311128).

Almost surely, 2^11622549 is an apocalyptic number.

It is an amenable number.

11622549 is a deficient number, since it is larger than the sum of its proper divisors (4110987).

11622549 is an frugal number, since it uses more digits than its factorization.

11622549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876 (or 803 counting only the distinct ones).

The product of its digits is 4320, while the sum is 30.

The square root of 11622549 is about 3409.1859732200. The cubic root of 11622549 is about 226.5168230613.

The spelling of 11622549 in words is "eleven million, six hundred twenty-two thousand, five hundred forty-nine".