12295145 has 4 divisors (see below), whose sum is σ = 14754180. Its totient is φ = 9836112.

The previous prime is 12295117. The next prime is 12295163. The reversal of 12295145 is 54159221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6744409 + 5550736 = 2597^2 + 2356^2 .

It is a cyclic number.

It is not a de Polignac number, because 12295145 - 2⁶ = 12295081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1229510 + ... + 1229519.

It is an arithmetic number, because the mean of its divisors is an integer number (3688545).

Almost surely, 2^12295145 is an apocalyptic number.

It is an amenable number.

12295145 is a deficient number, since it is larger than the sum of its proper divisors (2459035).

12295145 is an equidigital number, since it uses as much as digits as its factorization.

12295145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459034.

The product of its digits is 3600, while the sum is 29.

The square root of 12295145 is about 3506.4433547400. The cubic root of 12295145 is about 230.8046485952.

The spelling of 12295145 in words is "twelve million, two hundred ninety-five thousand, one hundred forty-five".