12345775 has 12 divisors (see below), whose sum is σ = 16486792. Its totient is φ = 9116640.

The previous prime is 12345769. The next prime is 12345787. The reversal of 12345775 is 57754321.

It is not a de Polignac number, because 12345775 - 2⁵ = 12345743 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 12345775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18669 + ... + 19318.

Almost surely, 2^12345775 is an apocalyptic number.

12345775 is a deficient number, since it is larger than the sum of its proper divisors (4141017).

12345775 is a wasteful number, since it uses less digits than its factorization.

12345775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38010 (or 38005 counting only the distinct ones).

The product of its digits is 29400, while the sum is 34.

The square root of 12345775 is about 3513.6555038877. The cubic root of 12345775 is about 231.1210237691.

The spelling of 12345775 in words is "twelve million, three hundred forty-five thousand, seven hundred seventy-five".