11289037 has 4 divisors (see below), whose sum is σ = 11953116. Its totient is φ = 10624960.

The previous prime is 11289029. The next prime is 11289043. The reversal of 11289037 is 73098211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73098211 = 4273 ⋅17107.

It can be written as a sum of positive squares in 2 ways, for example, as 3786916 + 7502121 = 1946^2 + 2739^2 .

It is a cyclic number.

It is not a de Polignac number, because 11289037 - 2³ = 11289029 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11289007) 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 3 ways as a sum of consecutive naturals, for example, 332014 + ... + 332047.

It is an arithmetic number, because the mean of its divisors is an integer number (2988279).

Almost surely, 2^11289037 is an apocalyptic number.

11289037 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11289037 is a deficient number, since it is larger than the sum of its proper divisors (664079).

11289037 is an equidigital number, since it uses as much as digits as its factorization.

11289037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664078.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 11289037 is about 3359.9162191936. The cubic root of 11289037 is about 224.3291093884.

The spelling of 11289037 in words is "eleven million, two hundred eighty-nine thousand, thirty-seven".