11456903 has 4 divisors (see below), whose sum is σ = 11491848. Its totient is φ = 11421960.

The previous prime is 11456897. The next prime is 11456909. The reversal of 11456903 is 30965411.

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

It is an interprime number because it is at equal distance from previous prime (11456897) and next prime (11456909).

It is a cyclic number.

It is not a de Polignac number, because 11456903 - 2⁸ = 11456647 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 (11456909) 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 3 ways as a sum of consecutive naturals, for example, 16976 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (2872962).

Almost surely, 2^11456903 is an apocalyptic number.

11456903 is a deficient number, since it is larger than the sum of its proper divisors (34945).

11456903 is an equidigital number, since it uses as much as digits as its factorization.

11456903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34944.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 11456903 is about 3384.8047211028. The cubic root of 11456903 is about 225.4355546638.

The spelling of 11456903 in words is "eleven million, four hundred fifty-six thousand, nine hundred three".