12266553 has 8 divisors (see below), whose sum is σ = 17613568. Its totient is φ = 7548624.

The previous prime is 12266543. The next prime is 12266581. The reversal of 12266553 is 35566221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12266553 - 2¹⁴ = 12250169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12266553.

It is not an unprimeable number, because it can be changed into a prime (12266543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157225 + ... + 157302.

It is an arithmetic number, because the mean of its divisors is an integer number (2201696).

Almost surely, 2^12266553 is an apocalyptic number.

12266553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12266553 is a deficient number, since it is larger than the sum of its proper divisors (5347015).

12266553 is a wasteful number, since it uses less digits than its factorization.

12266553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314543.

The product of its digits is 10800, while the sum is 30.

The square root of 12266553 is about 3502.3639159859. The cubic root of 12266553 is about 230.6255999132.

The spelling of 12266553 in words is "twelve million, two hundred sixty-six thousand, five hundred fifty-three".