12405003 has 8 divisors (see below), whose sum is σ = 17812368. Its totient is φ = 7633824.

The previous prime is 12404999. The next prime is 12405007. The reversal of 12405003 is 30050421.

12405003 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 an interprime number because it is at equal distance from previous prime (12404999) and next prime (12405007).

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

It is not a de Polignac number, because 12405003 - 2² = 12404999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12405007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159000 + ... + 159077.

It is an arithmetic number, because the mean of its divisors is an integer number (2226546).

Almost surely, 2^12405003 is an apocalyptic number.

12405003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12405003 is a deficient number, since it is larger than the sum of its proper divisors (5407365).

12405003 is a wasteful number, since it uses less digits than its factorization.

12405003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318093.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 12405003 is about 3522.0736789568. The cubic root of 12405003 is about 231.4900300010.

Adding to 12405003 its reverse (30050421), we get a palindrome (42455424).

The spelling of 12405003 in words is "twelve million, four hundred five thousand, three".