11320037 has 4 divisors (see below), whose sum is σ = 11475180. Its totient is φ = 11164896.

The previous prime is 11320031. The next prime is 11320061. The reversal of 11320037 is 73002311.

11320037 is digitally balanced in base 3, because in such base 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 an emirpimes, since its reverse is a distinct semiprime: 73002311 = 239 ⋅305449.

It can be written as a sum of positive squares in 2 ways, for example, as 5909761 + 5410276 = 2431^2 + 2326^2 .

It is a cyclic number.

It is not a de Polignac number, because 11320037 - 2²⁰ = 10271461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11319997 and 11320024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320031) 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, 77462 + ... + 77607.

It is an arithmetic number, because the mean of its divisors is an integer number (2868795).

Almost surely, 2^11320037 is an apocalyptic number.

It is an amenable number.

11320037 is a deficient number, since it is larger than the sum of its proper divisors (155143).

11320037 is an equidigital number, since it uses as much as digits as its factorization.

11320037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155142.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 11320037 is about 3364.5262668019. The cubic root of 11320037 is about 224.5342596479.

Adding to 11320037 its reverse (73002311), we get a palindrome (84322348).

The spelling of 11320037 in words is "eleven million, three hundred twenty thousand, thirty-seven".