12292745 has 4 divisors (see below), whose sum is σ = 14751300. Its totient is φ = 9834192.

The previous prime is 12292739. The next prime is 12292757. The reversal of 12292745 is 54729221.

12292745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54729221 = 641 ⋅85381.

It can be written as a sum of positive squares in 2 ways, for example, as 7382089 + 4910656 = 2717^2 + 2216^2 .

It is a cyclic number.

It is not a de Polignac number, because 12292745 - 2⁴ = 12292729 is a prime.

It is a super-2 number, since 2×12292745² = 302223159270050, which contains 22 as substring.

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, 1229270 + ... + 1229279.

It is an arithmetic number, because the mean of its divisors is an integer number (3687825).

Almost surely, 2^12292745 is an apocalyptic number.

It is an amenable number.

12292745 is a deficient number, since it is larger than the sum of its proper divisors (2458555).

12292745 is an equidigital number, since it uses as much as digits as its factorization.

12292745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2458554.

The product of its digits is 10080, while the sum is 32.

The square root of 12292745 is about 3506.1011109208. The cubic root of 12292745 is about 230.7896300058.

The spelling of 12292745 in words is "twelve million, two hundred ninety-two thousand, seven hundred forty-five".