11830503 has 16 divisors (see below), whose sum is σ = 16243200. Its totient is φ = 7656000.

The previous prime is 11830459. The next prime is 11830513. The reversal of 11830503 is 30503811.

It is a happy number.

11830503 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11830503 - 2⁶ = 11830439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11830503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15378 + ... + 16128.

It is an arithmetic number, because the mean of its divisors is an integer number (1015200).

Almost surely, 2^11830503 is an apocalyptic number.

11830503 is a deficient number, since it is larger than the sum of its proper divisors (4412697).

11830503 is an equidigital number, since it uses as much as digits as its factorization.

11830503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11830503 is about 3439.5498251952. The cubic root of 11830503 is about 227.8598130227.

The spelling of 11830503 in words is "eleven million, eight hundred thirty thousand, five hundred three".