11472889 has 2 divisors, whose sum is σ = 11472890. Its totient is φ = 11472888.

The previous prime is 11472887. The next prime is 11472917. The reversal of 11472889 is 98827411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8555625 + 2917264 = 2925^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 11472889 - 2¹ = 11472887 is a prime.

Together with 11472887, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11472887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5736444 + 5736445.

It is an arithmetic number, because the mean of its divisors is an integer number (5736445).

Almost surely, 2^11472889 is an apocalyptic number.

It is an amenable number.

11472889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11472889 is an equidigital number, since it uses as much as digits as its factorization.

11472889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32256, while the sum is 40.

The square root of 11472889 is about 3387.1653340219. The cubic root of 11472889 is about 225.5403572130.

The spelling of 11472889 in words is "eleven million, four hundred seventy-two thousand, eight hundred eighty-nine".