11273919 has 8 divisors (see below), whose sum is σ = 15062832. Its totient is φ = 7500480.

The previous prime is 11273903. The next prime is 11273929. The reversal of 11273919 is 91937211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11273919 - 2⁴ = 11273903 is a prime.

It is a super-2 number, since 2×11273919² = 254202499237122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11273919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11273929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2044 + ... + 5169.

It is an arithmetic number, because the mean of its divisors is an integer number (1882854).

Almost surely, 2^11273919 is an apocalyptic number.

11273919 is a deficient number, since it is larger than the sum of its proper divisors (3788913).

11273919 is an equidigital number, since it uses as much as digits as its factorization.

11273919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737.

The product of its digits is 3402, while the sum is 33.

The square root of 11273919 is about 3357.6657070054. The cubic root of 11273919 is about 224.2289259834.

The spelling of 11273919 in words is "eleven million, two hundred seventy-three thousand, nine hundred nineteen".