11853894 has 32 divisors (see below), whose sum is σ = 25853184. Its totient is φ = 3601440.

The previous prime is 11853893. The next prime is 11853899. The reversal of 11853894 is 49835811.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11853893) 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, 5559 + ... + 7389.

It is an arithmetic number, because the mean of its divisors is an integer number (807912).

Almost surely, 2^11853894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11853894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12926592).

11853894 is an abundant number, since it is smaller than the sum of its proper divisors (13999290).

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

11853894 is a wasteful number, since it uses less digits than its factorization.

11853894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932.

The product of its digits is 34560, while the sum is 39.

The square root of 11853894 is about 3442.9484457366. The cubic root of 11853894 is about 228.0098872290.

The spelling of 11853894 in words is "eleven million, eight hundred fifty-three thousand, eight hundred ninety-four".