11272045 has 4 divisors (see below), whose sum is σ = 13526460. Its totient is φ = 9017632.

The previous prime is 11272043. The next prime is 11272049. The reversal of 11272045 is 54027211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54027211 = 7 ⋅7718173.

It can be written as a sum of positive squares in 2 ways, for example, as 7327849 + 3944196 = 2707^2 + 1986^2 .

It is a cyclic number.

It is not a de Polignac number, because 11272045 - 2¹ = 11272043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272043) 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, 1127200 + ... + 1127209.

It is an arithmetic number, because the mean of its divisors is an integer number (3381615).

Almost surely, 2^11272045 is an apocalyptic number.

It is an amenable number.

11272045 is a deficient number, since it is larger than the sum of its proper divisors (2254415).

11272045 is an equidigital number, since it uses as much as digits as its factorization.

11272045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254414.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 11272045 is about 3357.3866324866. The cubic root of 11272045 is about 224.2165011915.

Adding to 11272045 its reverse (54027211), we get a palindrome (65299256).

The spelling of 11272045 in words is "eleven million, two hundred seventy-two thousand, forty-five".