11831486 has 4 divisors (see below), whose sum is σ = 17747232. Its totient is φ = 5915742.

The previous prime is 11831483. The next prime is 11831497. The reversal of 11831486 is 68413811.

It is a happy number.

11831486 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68413811 = 47 ⋅1455613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11831483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2957870 + ... + 2957873.

It is an arithmetic number, because the mean of its divisors is an integer number (4436808).

Almost surely, 2^11831486 is an apocalyptic number.

11831486 is a deficient number, since it is larger than the sum of its proper divisors (5915746).

11831486 is an equidigital number, since it uses as much as digits as its factorization.

11831486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5915745.

The product of its digits is 4608, while the sum is 32.

The square root of 11831486 is about 3439.6927188341. The cubic root of 11831486 is about 227.8661238277.

The spelling of 11831486 in words is "eleven million, eight hundred thirty-one thousand, four hundred eighty-six".