12268555 has 12 divisors (see below), whose sum is σ = 15942960. Its totient is φ = 9059232.

The previous prime is 12268541. The next prime is 12268559. The reversal of 12268555 is 55586221.

12268555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12268555 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12268555.

It is not an unprimeable number, because it can be changed into a prime (12268559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6415 + ... + 8104.

It is an arithmetic number, because the mean of its divisors is an integer number (1328580).

Almost surely, 2^12268555 is an apocalyptic number.

12268555 is a deficient number, since it is larger than the sum of its proper divisors (3674405).

12268555 is a wasteful number, since it uses less digits than its factorization.

12268555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550 (or 14537 counting only the distinct ones).

The product of its digits is 24000, while the sum is 34.

The square root of 12268555 is about 3502.6497112900. The cubic root of 12268555 is about 230.6381458810.

The spelling of 12268555 in words is "twelve million, two hundred sixty-eight thousand, five hundred fifty-five".