16412503 has 4 divisors (see below), whose sum is σ = 16610328. Its totient is φ = 16214680.

The previous prime is 16412491. The next prime is 16412507. The reversal of 16412503 is 30521461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16412503 - 2⁵ = 16412471 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 (16412507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98788 + ... + 98953.

It is an arithmetic number, because the mean of its divisors is an integer number (4152582).

Almost surely, 2^16412503 is an apocalyptic number.

16412503 is a deficient number, since it is larger than the sum of its proper divisors (197825).

16412503 is an equidigital number, since it uses as much as digits as its factorization.

16412503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197824.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 16412503 is about 4051.2347500484. The cubic root of 16412503 is about 254.1313671423.

Adding to 16412503 its reverse (30521461), we get a palindrome (46933964).

The spelling of 16412503 in words is "sixteen million, four hundred twelve thousand, five hundred three".