11272518 has 12 divisors (see below), whose sum is σ = 24423828. Its totient is φ = 3757500.

The previous prime is 11272501. The next prime is 11272519. The reversal of 11272518 is 81527211.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11272491 and 11272500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 313108 + ... + 313143.

It is an arithmetic number, because the mean of its divisors is an integer number (2035319).

Almost surely, 2^11272518 is an apocalyptic number.

11272518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11272518 is an abundant number, since it is smaller than the sum of its proper divisors (13151310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11272518 is a wasteful number, since it uses less digits than its factorization.

11272518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626259 (or 626256 counting only the distinct ones).

The product of its digits is 1120, while the sum is 27.

The square root of 11272518 is about 3357.4570734411. The cubic root of 11272518 is about 224.2196373548.

Adding to 11272518 its reverse (81527211), we get a palindrome (92799729).

The spelling of 11272518 in words is "eleven million, two hundred seventy-two thousand, five hundred eighteen".