12266887 has 4 divisors (see below), whose sum is σ = 12330640. Its totient is φ = 12203136.

The previous prime is 12266879. The next prime is 12266893. The reversal of 12266887 is 78866221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12266887 - 2³ = 12266879 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 (12266827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31587 + ... + 31972.

It is an arithmetic number, because the mean of its divisors is an integer number (3082660).

Almost surely, 2^12266887 is an apocalyptic number.

12266887 is a deficient number, since it is larger than the sum of its proper divisors (63753).

12266887 is an equidigital number, since it uses as much as digits as its factorization.

12266887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63752.

The product of its digits is 64512, while the sum is 40.

The square root of 12266887 is about 3502.4115977423. The cubic root of 12266887 is about 230.6276930916.

The spelling of 12266887 in words is "twelve million, two hundred sixty-six thousand, eight hundred eighty-seven".