12403265 has 16 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 8473920.

The previous prime is 12403249. The next prime is 12403267. The reversal of 12403265 is 56230421.

It is not a de Polignac number, because 12403265 - 2⁴ = 12403249 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12403265.

It is not an unprimeable number, because it can be changed into a prime (12403267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13160 + ... + 14070.

It is an arithmetic number, because the mean of its divisors is an integer number (1067040).

Almost surely, 2^12403265 is an apocalyptic number.

It is an amenable number.

12403265 is a deficient number, since it is larger than the sum of its proper divisors (4669375).

12403265 is an equidigital number, since it uses as much as digits as its factorization.

12403265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 12403265 is about 3521.8269406659. The cubic root of 12403265 is about 231.4792185442.

Adding to 12403265 its reverse (56230421), we get a palindrome (68633686).

The spelling of 12403265 in words is "twelve million, four hundred three thousand, two hundred sixty-five".