12665353 has 4 divisors (see below), whose sum is σ = 12880080. Its totient is φ = 12450628.

The previous prime is 12665311. The next prime is 12665363. The reversal of 12665353 is 35356621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12665353 is a prime.

It is a super-2 number, since 2×12665353² = 320822333229218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12665363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107275 + ... + 107392.

It is an arithmetic number, because the mean of its divisors is an integer number (3220020).

Almost surely, 2^12665353 is an apocalyptic number.

It is an amenable number.

12665353 is a deficient number, since it is larger than the sum of its proper divisors (214727).

12665353 is an equidigital number, since it uses as much as digits as its factorization.

12665353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214726.

The product of its digits is 16200, while the sum is 31.

The square root of 12665353 is about 3558.8415249910. The cubic root of 12665353 is about 233.0982964332.

The spelling of 12665353 in words is "twelve million, six hundred sixty-five thousand, three hundred fifty-three".