11147994 has 96 divisors (see below), whose sum is σ = 29248128. Its totient is φ = 3024000.

The previous prime is 11147953. The next prime is 11148001. The reversal of 11147994 is 49974111.

11147994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156979 + ... + 157049.

It is an arithmetic number, because the mean of its divisors is an integer number (304668).

Almost surely, 2^11147994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11147994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14624064).

11147994 is an abundant number, since it is smaller than the sum of its proper divisors (18100134).

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

11147994 is a wasteful number, since it uses less digits than its factorization.

11147994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 161 counting only the distinct ones).

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

The square root of 11147994 is about 3338.8611830982. The cubic root of 11147994 is about 223.3909502095.

The spelling of 11147994 in words is "eleven million, one hundred forty-seven thousand, nine hundred ninety-four".