12072603 has 8 divisors (see below), whose sum is σ = 16155216. Its totient is φ = 8019200.

The previous prime is 12072589. The next prime is 12072611. The reversal of 12072603 is 30627021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12072603 - 2¹⁸ = 11810459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12072603.

It is not an unprimeable number, because it can be changed into a prime (12072803) 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, 6318 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (2019402).

Almost surely, 2^12072603 is an apocalyptic number.

12072603 is a deficient number, since it is larger than the sum of its proper divisors (4082613).

12072603 is a wasteful number, since it uses less digits than its factorization.

12072603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14605.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12072603 is about 3474.5651526486. The cubic root of 12072603 is about 229.4036409429.

Adding to 12072603 its reverse (30627021), we get a palindrome (42699624).

The spelling of 12072603 in words is "twelve million, seventy-two thousand, six hundred three".