11736081 has 24 divisors (see below), whose sum is σ = 19566144. Its totient is φ = 6639840.

The previous prime is 11736079. The next prime is 11736083. The reversal of 11736081 is 18063711.

It is an interprime number because it is at equal distance from previous prime (11736079) and next prime (11736083).

It is not a de Polignac number, because 11736081 - 2¹ = 11736079 is a prime.

It is a super-2 number, since 2×11736081² = 275471194477122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11736083) 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, 5871 + ... + 7611.

It is an arithmetic number, because the mean of its divisors is an integer number (815256).

Almost surely, 2^11736081 is an apocalyptic number.

It is an amenable number.

11736081 is a deficient number, since it is larger than the sum of its proper divisors (7830063).

11736081 is a wasteful number, since it uses less digits than its factorization.

11736081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11736081 is about 3425.7964037578. The cubic root of 11736081 is about 227.2519923435.

Adding to 11736081 its reverse (18063711), we get a palindrome (29799792).

The spelling of 11736081 in words is "eleven million, seven hundred thirty-six thousand, eighty-one".