11863081 has 4 divisors (see below), whose sum is σ = 11884500. Its totient is φ = 11841664.

The previous prime is 11863073. The next prime is 11863099. The reversal of 11863081 is 18036811.

It is a happy number.

11863081 is digitally balanced in base 3, 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.

It can be written as a sum of positive squares in 2 ways, for example, as 6760000 + 5103081 = 2600^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 11863081 - 2³ = 11863073 is a prime.

It is a super-2 number, since 2×11863081² = 281465381625122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11863021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9856 + ... + 10993.

It is an arithmetic number, because the mean of its divisors is an integer number (2971125).

Almost surely, 2^11863081 is an apocalyptic number.

It is an amenable number.

11863081 is a deficient number, since it is larger than the sum of its proper divisors (21419).

11863081 is an equidigital number, since it uses as much as digits as its factorization.

11863081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11863081 is about 3444.2823635701. The cubic root of 11863081 is about 228.0687760609.

Adding to 11863081 its reverse (18036811), we get a palindrome (29899892).

The spelling of 11863081 in words is "eleven million, eight hundred sixty-three thousand, eighty-one".