11273265 has 24 divisors (see below), whose sum is σ = 19618560. Its totient is φ = 5988384.

The previous prime is 11273263. The next prime is 11273281. The reversal of 11273265 is 56237211.

It is a happy number.

It is not a de Polignac number, because 11273265 - 2¹ = 11273263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11273263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21294 + ... + 21816.

It is an arithmetic number, because the mean of its divisors is an integer number (817440).

Almost surely, 2^11273265 is an apocalyptic number.

11273265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11273265 is a deficient number, since it is larger than the sum of its proper divisors (8345295).

11273265 is a wasteful number, since it uses less digits than its factorization.

11273265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 1010 counting only the distinct ones).

The product of its digits is 2520, while the sum is 27.

The square root of 11273265 is about 3357.5683165053. The cubic root of 11273265 is about 224.2245900598.

The spelling of 11273265 in words is "eleven million, two hundred seventy-three thousand, two hundred sixty-five".