16872413 has 4 divisors (see below), whose sum is σ = 16927680. Its totient is φ = 16817148.

The previous prime is 16872397. The next prime is 16872419. The reversal of 16872413 is 31427861.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16872413 - 2⁴ = 16872397 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 16872413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16872419) 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 3 ways as a sum of consecutive naturals, for example, 27173 + ... + 27786.

It is an arithmetic number, because the mean of its divisors is an integer number (4231920).

Almost surely, 2^16872413 is an apocalyptic number.

It is an amenable number.

16872413 is a deficient number, since it is larger than the sum of its proper divisors (55267).

16872413 is an equidigital number, since it uses as much as digits as its factorization.

16872413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55266.

The product of its digits is 8064, while the sum is 32.

The square root of 16872413 is about 4107.6042896073. The cubic root of 16872413 is about 256.4832840494.

The spelling of 16872413 in words is "sixteen million, eight hundred seventy-two thousand, four hundred thirteen".