11273903 has 2 divisors, whose sum is σ = 11273904. Its totient is φ = 11273902.

The previous prime is 11273879. The next prime is 11273929. The reversal of 11273903 is 30937211.

11273903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11273929) can be obtained adding 11273903 to its sum of digits (26).

It is a weak prime.

It is an emirp because it is prime and its reverse (30937211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11273903 - 2¹² = 11269807 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11273963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5636951 + 5636952.

It is an arithmetic number, because the mean of its divisors is an integer number (5636952).

Almost surely, 2^11273903 is an apocalyptic number.

11273903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11273903 is an equidigital number, since it uses as much as digits as its factorization.

11273903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 11273903 is about 3357.6633243969. The cubic root of 11273903 is about 224.2288199077.

The spelling of 11273903 in words is "eleven million, two hundred seventy-three thousand, nine hundred three".