12269145 has 16 divisors (see below), whose sum is σ = 22435200. Its totient is φ = 5608704.

The previous prime is 12269141. The next prime is 12269167. The reversal of 12269145 is 54196221.

It is not a de Polignac number, because 12269145 - 2² = 12269141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12269141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58320 + ... + 58529.

It is an arithmetic number, because the mean of its divisors is an integer number (1402200).

Almost surely, 2^12269145 is an apocalyptic number.

12269145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12269145 is a deficient number, since it is larger than the sum of its proper divisors (10166055).

12269145 is a wasteful number, since it uses less digits than its factorization.

12269145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116864.

The product of its digits is 4320, while the sum is 30.

The square root of 12269145 is about 3502.7339322307. The cubic root of 12269145 is about 230.6418429837.

The spelling of 12269145 in words is "twelve million, two hundred sixty-nine thousand, one hundred forty-five".