12665465 has 8 divisors (see below), whose sum is σ = 15266880. Its totient is φ = 10086832.

The previous prime is 12665461. The next prime is 12665467. The reversal of 12665465 is 56456621.

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 12665465 - 2² = 12665461 is a prime.

It is a super-3 number, since 3×12665465³ (a number of 22 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12665461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4445 + ... + 6714.

It is an arithmetic number, because the mean of its divisors is an integer number (1908360).

Almost surely, 2^12665465 is an apocalyptic number.

It is an amenable number.

12665465 is a deficient number, since it is larger than the sum of its proper divisors (2601415).

12665465 is a wasteful number, since it uses less digits than its factorization.

12665465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11391.

The product of its digits is 43200, while the sum is 35.

The square root of 12665465 is about 3558.8572604138. The cubic root of 12665465 is about 233.0989835290.

The spelling of 12665465 in words is "twelve million, six hundred sixty-five thousand, four hundred sixty-five".