12369145 has 8 divisors (see below), whose sum is σ = 14868360. Its totient is φ = 9878400.

The previous prime is 12369143. The next prime is 12369157. The reversal of 12369145 is 54196321.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 11377129 = 996^2 + 3373^2 .

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

It is not a de Polignac number, because 12369145 - 2¹ = 12369143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12369143) 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, 1741 + ... + 5269.

It is an arithmetic number, because the mean of its divisors is an integer number (1858545).

Almost surely, 2^12369145 is an apocalyptic number.

It is an amenable number.

12369145 is a deficient number, since it is larger than the sum of its proper divisors (2499215).

12369145 is an equidigital number, since it uses as much as digits as its factorization.

12369145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4235.

The product of its digits is 6480, while the sum is 31.

The square root of 12369145 is about 3516.9795279472. The cubic root of 12369145 is about 231.2667657676.

The spelling of 12369145 in words is "twelve million, three hundred sixty-nine thousand, one hundred forty-five".