12266651 has 4 divisors (see below), whose sum is σ = 12340272. Its totient is φ = 12193032.

The previous prime is 12266641. The next prime is 12266663. The reversal of 12266651 is 15666221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12266651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12266641) 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, 36560 + ... + 36893.

It is an arithmetic number, because the mean of its divisors is an integer number (3085068).

Almost surely, 2^12266651 is an apocalyptic number.

12266651 is a deficient number, since it is larger than the sum of its proper divisors (73621).

12266651 is an equidigital number, since it uses as much as digits as its factorization.

12266651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73620.

The product of its digits is 4320, while the sum is 29.

The square root of 12266651 is about 3502.3779065087. The cubic root of 12266651 is about 230.6262140833.

The spelling of 12266651 in words is "twelve million, two hundred sixty-six thousand, six hundred fifty-one".