12665455 has 8 divisors (see below), whose sum is σ = 16580304. Its totient is φ = 9211200.

The previous prime is 12665449. The next prime is 12665461. The reversal of 12665455 is 55456621.

It is an interprime number because it is at equal distance from previous prime (12665449) and next prime (12665461).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12665455 - 2⁵ = 12665423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12665455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115086 + ... + 115195.

It is an arithmetic number, because the mean of its divisors is an integer number (2072538).

Almost surely, 2^12665455 is an apocalyptic number.

12665455 is a deficient number, since it is larger than the sum of its proper divisors (3914849).

12665455 is a wasteful number, since it uses less digits than its factorization.

12665455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230297.

The product of its digits is 36000, while the sum is 34.

The square root of 12665455 is about 3558.8558554682. The cubic root of 12665455 is about 233.0989221813.

The spelling of 12665455 in words is "twelve million, six hundred sixty-five thousand, four hundred fifty-five".