11971368 has 64 divisors (see below), whose sum is σ = 35016000. Its totient is φ = 3779136.

The previous prime is 11971357. The next prime is 11971369. The reversal of 11971368 is 86317911.

11971368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11971369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2646 + ... + 5562.

It is an arithmetic number, because the mean of its divisors is an integer number (547125).

Almost surely, 2^11971368 is an apocalyptic number.

11971368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11971368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17508000).

11971368 is an abundant number, since it is smaller than the sum of its proper divisors (23044632).

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

11971368 is a wasteful number, since it uses less digits than its factorization.

11971368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2951 (or 2941 counting only the distinct ones).

The product of its digits is 9072, while the sum is 36.

The square root of 11971368 is about 3459.9664738260. The cubic root of 11971368 is about 228.7606176206.

The spelling of 11971368 in words is "eleven million, nine hundred seventy-one thousand, three hundred sixty-eight".