11345903 has 4 divisors (see below), whose sum is σ = 11422200. Its totient is φ = 11269608.

The previous prime is 11345881. The next prime is 11345909. The reversal of 11345903 is 30954311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11345903 - 2¹² = 11341807 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 (11345909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37925 + ... + 38222.

It is an arithmetic number, because the mean of its divisors is an integer number (2855550).

Almost surely, 2^11345903 is an apocalyptic number.

11345903 is a deficient number, since it is larger than the sum of its proper divisors (76297).

11345903 is an equidigital number, since it uses as much as digits as its factorization.

11345903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76296.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 11345903 is about 3368.3680024605. The cubic root of 11345903 is about 224.7051479352.

The spelling of 11345903 in words is "eleven million, three hundred forty-five thousand, nine hundred three".