12073503 has 8 divisors (see below), whose sum is σ = 17336368. Its totient is φ = 7429824.

The previous prime is 12073499. The next prime is 12073511. The reversal of 12073503 is 30537021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12073503 - 2² = 12073499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12073503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12073513) 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 7 ways as a sum of consecutive naturals, for example, 154750 + ... + 154827.

It is an arithmetic number, because the mean of its divisors is an integer number (2167046).

Almost surely, 2^12073503 is an apocalyptic number.

12073503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12073503 is a deficient number, since it is larger than the sum of its proper divisors (5262865).

12073503 is a wasteful number, since it uses less digits than its factorization.

12073503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309593.

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 12073503 is about 3474.6946628445. The cubic root of 12073503 is about 229.4093414023.

The spelling of 12073503 in words is "twelve million, seventy-three thousand, five hundred three".