12159227 has 8 divisors (see below), whose sum is σ = 12399936. Its totient is φ = 11920392.

The previous prime is 12159187. The next prime is 12159281. The reversal of 12159227 is 72295121.

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

It is a cyclic number.

It is not a de Polignac number, because 12159227 - 2⁶ = 12159163 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 12159227.

It is not an unprimeable number, because it can be changed into a prime (12159827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22988 + ... + 23510.

It is an arithmetic number, because the mean of its divisors is an integer number (1549992).

Almost surely, 2^12159227 is an apocalyptic number.

12159227 is a deficient number, since it is larger than the sum of its proper divisors (240709).

12159227 is an equidigital number, since it uses as much as digits as its factorization.

12159227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its digits is 2520, while the sum is 29.

The square root of 12159227 is about 3487.0083165946. The cubic root of 12159227 is about 229.9510103600.

The spelling of 12159227 in words is "twelve million, one hundred fifty-nine thousand, two hundred twenty-seven".