11463503 has 4 divisors (see below), whose sum is σ = 11472768. Its totient is φ = 11454240.

The previous prime is 11463461. The next prime is 11463509. The reversal of 11463503 is 30536411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11463503 - 2¹² = 11459407 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 (11463509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2426 + ... + 5367.

It is an arithmetic number, because the mean of its divisors is an integer number (2868192).

Almost surely, 2^11463503 is an apocalyptic number.

11463503 is a deficient number, since it is larger than the sum of its proper divisors (9265).

11463503 is an equidigital number, since it uses as much as digits as its factorization.

11463503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9264.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 11463503 is about 3385.7795261948. The cubic root of 11463503 is about 225.4788353841.

Adding to 11463503 its reverse (30536411), we get a palindrome (41999914).

The spelling of 11463503 in words is "eleven million, four hundred sixty-three thousand, five hundred three".