11906081 has 8 divisors (see below), whose sum is σ = 13167264. Its totient is φ = 10674720.

The previous prime is 11906057. The next prime is 11906099. The reversal of 11906081 is 18060911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11906081 - 2¹⁰ = 11905057 is a prime.

It is a super-2 number, since 2×11906081² = 283509529557122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11906081.

It is not an unprimeable number, because it can be changed into a prime (11906021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6611 + ... + 8216.

It is an arithmetic number, because the mean of its divisors is an integer number (1645908).

Almost surely, 2^11906081 is an apocalyptic number.

11906081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11906081 is a deficient number, since it is larger than the sum of its proper divisors (1261183).

11906081 is a wasteful number, since it uses less digits than its factorization.

11906081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14911.

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 11906081 is about 3450.5189464775. The cubic root of 11906081 is about 228.3440033849.

Adding to 11906081 its reverse (18060911), we get a palindrome (29966992).

The spelling of 11906081 in words is "eleven million, nine hundred six thousand, eighty-one".