11947896 has 96 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 3744000.

The previous prime is 11947891. The next prime is 11947931. The reversal of 11947896 is 69874911.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11947891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118246 + ... + 118346.

It is an arithmetic number, because the mean of its divisors is an integer number (358020).

Almost surely, 2^11947896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11947896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17184960).

11947896 is an abundant number, since it is smaller than the sum of its proper divisors (22422024).

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

11947896 is a wasteful number, since it uses less digits than its factorization.

11947896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 190 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11947896 is about 3456.5728691871. The cubic root of 11947896 is about 228.6110111509.

The spelling of 11947896 in words is "eleven million, nine hundred forty-seven thousand, eight hundred ninety-six".