12144669 has 4 divisors (see below), whose sum is σ = 16192896. Its totient is φ = 8096444.

The previous prime is 12144637. The next prime is 12144677. The reversal of 12144669 is 96644121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12144669 - 2⁵ = 12144637 is a prime.

It is a super-2 number, since 2×12144669² = 294985970239122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12144679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024109 + ... + 2024114.

It is an arithmetic number, because the mean of its divisors is an integer number (4048224).

Almost surely, 2^12144669 is an apocalyptic number.

It is an amenable number.

12144669 is a deficient number, since it is larger than the sum of its proper divisors (4048227).

12144669 is an equidigital number, since it uses as much as digits as its factorization.

12144669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048226.

The product of its digits is 10368, while the sum is 33.

The square root of 12144669 is about 3484.9202286423. The cubic root of 12144669 is about 229.8592017904.

The spelling of 12144669 in words is "twelve million, one hundred forty-four thousand, six hundred sixty-nine".