12402265 has 16 divisors (see below), whose sum is σ = 16061328. Its totient is φ = 9158656.

The previous prime is 12402259. The next prime is 12402281. The reversal of 12402265 is 56220421.

12402265 is nontrivially palindromic in base 11.

It can be written as a sum of positive squares in 8 ways, for example, as 2347024 + 10055241 = 1532^2 + 3171^2 .

It is a cyclic number.

It is not a de Polignac number, because 12402265 - 2⁵ = 12402233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3129 + ... + 5881.

It is an arithmetic number, because the mean of its divisors is an integer number (1003833).

Almost surely, 2^12402265 is an apocalyptic number.

It is an amenable number.

12402265 is a deficient number, since it is larger than the sum of its proper divisors (3659063).

12402265 is a wasteful number, since it uses less digits than its factorization.

12402265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12402265 is about 3521.6849660354. The cubic root of 12402265 is about 231.4729974554.

Adding to 12402265 its reverse (56220421), we get a palindrome (68622686).

The spelling of 12402265 in words is "twelve million, four hundred two thousand, two hundred sixty-five".