12145003 has 8 divisors (see below), whose sum is σ = 13326768. Its totient is φ = 10998624.

The previous prime is 12144983. The next prime is 12145013. The reversal of 12145003 is 30054121.

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

It is not a de Polignac number, because 12145003 - 2⁹ = 12144491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12145013) 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, 8125 + ... + 9502.

It is an arithmetic number, because the mean of its divisors is an integer number (1665846).

Almost surely, 2^12145003 is an apocalyptic number.

12145003 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12145003 is a deficient number, since it is larger than the sum of its proper divisors (1181765).

12145003 is a wasteful number, since it uses less digits than its factorization.

12145003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17693.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 12145003 is about 3484.9681490654. The cubic root of 12145003 is about 229.8613089501.

Adding to 12145003 its reverse (30054121), we get a palindrome (42199124).

The spelling of 12145003 in words is "twelve million, one hundred forty-five thousand, three".