11764081 has 4 divisors (see below), whose sum is σ = 13444672. Its totient is φ = 10083492.

The previous prime is 11764079. The next prime is 11764087. The reversal of 11764081 is 18046711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11764081 - 2¹ = 11764079 is a prime.

It is a super-2 number, since 2×11764081² = 276787203549122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11764087) 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 3 ways as a sum of consecutive naturals, for example, 840285 + ... + 840298.

It is an arithmetic number, because the mean of its divisors is an integer number (3361168).

Almost surely, 2^11764081 is an apocalyptic number.

It is an amenable number.

11764081 is a deficient number, since it is larger than the sum of its proper divisors (1680591).

11764081 is an equidigital number, since it uses as much as digits as its factorization.

11764081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680590.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 11764081 is about 3429.8806101671. The cubic root of 11764081 is about 227.4325751163.

The spelling of 11764081 in words is "eleven million, seven hundred sixty-four thousand, eighty-one".