11971148 has 12 divisors (see below), whose sum is σ = 23942352. Its totient is φ = 5130480.

The previous prime is 11971117. The next prime is 11971199. The reversal of 11971148 is 84117911.

11971148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11971148 is an admirable number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213743 + ... + 213798.

It is an arithmetic number, because the mean of its divisors is an integer number (1995196).

Almost surely, 2^11971148 is an apocalyptic number.

It is an amenable number.

11971148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11971148 is a wasteful number, since it uses less digits than its factorization.

11971148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427552 (or 427550 counting only the distinct ones).

The product of its digits is 2016, while the sum is 32.

The square root of 11971148 is about 3459.9346814644. The cubic root of 11971148 is about 228.7592162869.

The spelling of 11971148 in words is "eleven million, nine hundred seventy-one thousand, one hundred forty-eight".