12265645 has 8 divisors (see below), whose sum is σ = 16821504. Its totient is φ = 8410704.

The previous prime is 12265639. The next prime is 12265667. The reversal of 12265645 is 54656221.

12265645 = 1103² + 1104² + ... + 1112².

12265645 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12265645 - 2⁵ = 12265613 is a prime.

It is a super-3 number, since 3×12265645³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175189 + ... + 175258.

It is an arithmetic number, because the mean of its divisors is an integer number (2102688).

Almost surely, 2^12265645 is an apocalyptic number.

It is an amenable number.

12265645 is a deficient number, since it is larger than the sum of its proper divisors (4555859).

12265645 is an equidigital number, since it uses as much as digits as its factorization.

12265645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350459.

The product of its digits is 14400, while the sum is 31.

The square root of 12265645 is about 3502.2342868518. The cubic root of 12265645 is about 230.6199092841.

The spelling of 12265645 in words is "twelve million, two hundred sixty-five thousand, six hundred forty-five".