11289407 has 4 divisors (see below), whose sum is σ = 11306040. Its totient is φ = 11272776.

The previous prime is 11289379. The next prime is 11289409. The reversal of 11289407 is 70498211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11289407 - 2¹⁰ = 11288383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7253 + ... + 8670.

It is an arithmetic number, because the mean of its divisors is an integer number (2826510).

Almost surely, 2^11289407 is an apocalyptic number.

11289407 is a deficient number, since it is larger than the sum of its proper divisors (16633).

11289407 is an equidigital number, since it uses as much as digits as its factorization.

11289407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16632.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11289407 is about 3359.9712796392. The cubic root of 11289407 is about 224.3315601692.

The spelling of 11289407 in words is "eleven million, two hundred eighty-nine thousand, four hundred seven".