11665948 has 24 divisors (see below), whose sum is σ = 23415392. Its totient is φ = 4981824.

The previous prime is 11665937. The next prime is 11665963. The reversal of 11665948 is 84956611.

It is a self number, because there is not a number n which added to its sum of digits gives 11665948.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9886 + ... + 11002.

Almost surely, 2^11665948 is an apocalyptic number.

It is an amenable number.

11665948 is an abundant number, since it is smaller than the sum of its proper divisors (11749444).

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

11665948 is a wasteful number, since it uses less digits than its factorization.

11665948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501 (or 1499 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 11665948 is about 3415.5450516718. The cubic root of 11665948 is about 226.7984134131.

The spelling of 11665948 in words is "eleven million, six hundred sixty-five thousand, nine hundred forty-eight".