11715894 has 48 divisors (see below), whose sum is σ = 27523440. Its totient is φ = 3693600.

The previous prime is 11715889. The next prime is 11715911. The reversal of 11715894 is 49851711.

11715894 is a `hidden beast` number, since 1 + 1 + 71 + 589 + 4 = 666.

11715894 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19194 + ... + 19794.

It is an arithmetic number, because the mean of its divisors is an integer number (573405).

Almost surely, 2^11715894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11715894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13761720).

11715894 is an abundant number, since it is smaller than the sum of its proper divisors (15807546).

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

11715894 is a wasteful number, since it uses less digits than its factorization.

11715894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 625 counting only the distinct ones).

The product of its digits is 10080, while the sum is 36.

The square root of 11715894 is about 3422.8488134886. The cubic root of 11715894 is about 227.1216203509.

The spelling of 11715894 in words is "eleven million, seven hundred fifteen thousand, eight hundred ninety-four".