11273427 has 24 divisors (see below), whose sum is σ = 18540288. Its totient is φ = 6534000.

The previous prime is 11273417. The next prime is 11273443. The reversal of 11273427 is 72437211.

It is a happy number.

It is not a de Polignac number, because 11273427 - 2⁷ = 11273299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11273427.

It is not an unprimeable number, because it can be changed into a prime (11273407) 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, 199 + ... + 4752.

It is an arithmetic number, because the mean of its divisors is an integer number (772512).

Almost surely, 2^11273427 is an apocalyptic number.

11273427 is a deficient number, since it is larger than the sum of its proper divisors (7266861).

11273427 is a wasteful number, since it uses less digits than its factorization.

11273427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991 (or 4988 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 11273427 is about 3357.5924410208. The cubic root of 11273427 is about 224.2256641116.

It can be divided in two parts, 1127 and 3427, that added together give a palindrome (4554).

The spelling of 11273427 in words is "eleven million, two hundred seventy-three thousand, four hundred twenty-seven".