11273455 has 4 divisors (see below), whose sum is σ = 13528152. Its totient is φ = 9018760.

The previous prime is 11273447. The next prime is 11273459. The reversal of 11273455 is 55437211.

It is a happy number.

11273455 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55437211 = 37 ⋅1498303.

It is not a de Polignac number, because 11273455 - 2³ = 11273447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273459) 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, 1127341 + ... + 1127350.

It is an arithmetic number, because the mean of its divisors is an integer number (3382038).

Almost surely, 2^11273455 is an apocalyptic number.

11273455 is a deficient number, since it is larger than the sum of its proper divisors (2254697).

11273455 is an equidigital number, since it uses as much as digits as its factorization.

11273455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254696.

The product of its digits is 4200, while the sum is 28.

The square root of 11273455 is about 3357.5966106726. The cubic root of 11273455 is about 224.2258497491.

It can be divided in two parts, 11273 and 455, that multiplied together give a palindrome (5129215).

The spelling of 11273455 in words is "eleven million, two hundred seventy-three thousand, four hundred fifty-five".