12665048 has 32 divisors (see below), whose sum is σ = 26516160. Its totient is φ = 5621280.

The previous prime is 12665041. The next prime is 12665069. The reversal of 12665048 is 84056621.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12665041) 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, 2111 + ... + 5457.

It is an arithmetic number, because the mean of its divisors is an integer number (828630).

Almost surely, 2^12665048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12665048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13258080).

12665048 is an abundant number, since it is smaller than the sum of its proper divisors (13851112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12665048 is a wasteful number, since it uses less digits than its factorization.

12665048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3407 (or 3403 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 12665048 is about 3558.7986737100. The cubic root of 12665048 is about 233.0964253036.

The spelling of 12665048 in words is "twelve million, six hundred sixty-five thousand, forty-eight".