11272537 has 4 divisors (see below), whose sum is σ = 11329956. Its totient is φ = 11215120.

The previous prime is 11272523. The next prime is 11272559. The reversal of 11272537 is 73527211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 143641 = 3336^2 + 379^2 .

It is a cyclic number.

It is not a de Polignac number, because 11272537 - 2¹⁵ = 11239769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11272577) 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, 28414 + ... + 28807.

It is an arithmetic number, because the mean of its divisors is an integer number (2832489).

Almost surely, 2^11272537 is an apocalyptic number.

It is an amenable number.

11272537 is a deficient number, since it is larger than the sum of its proper divisors (57419).

11272537 is an equidigital number, since it uses as much as digits as its factorization.

11272537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57418.

The product of its digits is 2940, while the sum is 28.

The square root of 11272537 is about 3357.4599029624. The cubic root of 11272537 is about 224.2197633299.

Adding to 11272537 its reverse (73527211), we get a palindrome (84799748).

The spelling of 11272537 in words is "eleven million, two hundred seventy-two thousand, five hundred thirty-seven".