11764289 has 4 divisors (see below), whose sum is σ = 12456324. Its totient is φ = 11072256.

The previous prime is 11764279. The next prime is 11764303. The reversal of 11764289 is 98246711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98246711 = 641 ⋅153271.

It can be written as a sum of positive squares in 2 ways, for example, as 7333264 + 4431025 = 2708^2 + 2105^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11764289 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11764219) 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, 345992 + ... + 346025.

It is an arithmetic number, because the mean of its divisors is an integer number (3114081).

Almost surely, 2^11764289 is an apocalyptic number.

It is an amenable number.

11764289 is a deficient number, since it is larger than the sum of its proper divisors (692035).

11764289 is an equidigital number, since it uses as much as digits as its factorization.

11764289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692034.

The product of its digits is 24192, while the sum is 38.

The square root of 11764289 is about 3429.9109317882. The cubic root of 11764289 is about 227.4339155155.

The spelling of 11764289 in words is "eleven million, seven hundred sixty-four thousand, two hundred eighty-nine".