11013537 has 4 divisors (see below), whose sum is σ = 14684720. Its totient is φ = 7342356.

The previous prime is 11013529. The next prime is 11013539. The reversal of 11013537 is 73531011.

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 not a de Polignac number, because 11013537 - 2³ = 11013529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11013539) 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, 1835587 + ... + 1835592.

It is an arithmetic number, because the mean of its divisors is an integer number (3671180).

Almost surely, 2^11013537 is an apocalyptic number.

It is an amenable number.

11013537 is a deficient number, since it is larger than the sum of its proper divisors (3671183).

11013537 is an equidigital number, since it uses as much as digits as its factorization.

11013537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3671182.

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 11013537 is about 3318.6649424128. The cubic root of 11013537 is about 222.4892020177.

Adding to 11013537 its reverse (73531011), we get a palindrome (84544548).

The spelling of 11013537 in words is "eleven million, thirteen thousand, five hundred thirty-seven".