13630265 has 16 divisors (see below), whose sum is σ = 18074880. Its totient is φ = 9784320.

The previous prime is 13630259. The next prime is 13630273. The reversal of 13630265 is 56203631.

It is not a de Polignac number, because 13630265 - 2⁸ = 13630009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2777 + ... + 5913.

It is an arithmetic number, because the mean of its divisors is an integer number (1129680).

Almost surely, 2^13630265 is an apocalyptic number.

It is an amenable number.

13630265 is a deficient number, since it is larger than the sum of its proper divisors (4444615).

13630265 is a wasteful number, since it uses less digits than its factorization.

13630265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 13630265 is about 3691.9188777653. The cubic root of 13630265 is about 238.8735697967.

Adding to 13630265 its reverse (56203631), we get a palindrome (69833896).

The spelling of 13630265 in words is "thirteen million, six hundred thirty thousand, two hundred sixty-five".