11472289 has 4 divisors (see below), whose sum is σ = 11536560. Its totient is φ = 11408020.

The previous prime is 11472269. The next prime is 11472299. The reversal of 11472289 is 98227411.

11472289 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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 11472289 - 2¹⁷ = 11341217 is a prime.

It is a super-2 number, since 2×11472289² = 263226829799042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11472269) 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, 31867 + ... + 32224.

It is an arithmetic number, because the mean of its divisors is an integer number (2884140).

Almost surely, 2^11472289 is an apocalyptic number.

It is an amenable number.

11472289 is a deficient number, since it is larger than the sum of its proper divisors (64271).

11472289 is an equidigital number, since it uses as much as digits as its factorization.

11472289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64270.

The product of its digits is 8064, while the sum is 34.

The square root of 11472289 is about 3387.0767632281. The cubic root of 11472289 is about 225.5364254346.

The spelling of 11472289 in words is "eleven million, four hundred seventy-two thousand, two hundred eighty-nine".