11802289 has 8 divisors (see below), whose sum is σ = 12713472. Its totient is φ = 10924320.

The previous prime is 11802283. The next prime is 11802293. The reversal of 11802289 is 98220811.

It is a happy number.

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 11802289 - 2⁵ = 11802257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 11802289.

It is not an unprimeable number, because it can be changed into a prime (11802283) 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, 7564 + ... + 8989.

It is an arithmetic number, because the mean of its divisors is an integer number (1589184).

Almost surely, 2^11802289 is an apocalyptic number.

It is an amenable number.

11802289 is a deficient number, since it is larger than the sum of its proper divisors (911183).

11802289 is a wasteful number, since it uses less digits than its factorization.

11802289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16607.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11802289 is about 3435.4459681386. The cubic root of 11802289 is about 227.6785315181.

The spelling of 11802289 in words is "eleven million, eight hundred two thousand, two hundred eighty-nine".