15873873 has 8 divisors (see below), whose sum is σ = 22279200. Its totient is φ = 10025568.

The previous prime is 15873853. The next prime is 15873877. The reversal of 15873873 is 37837851.

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

It is not a de Polignac number, because 15873873 - 2¹⁷ = 15742801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15873877) 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, 139188 + ... + 139301.

It is an arithmetic number, because the mean of its divisors is an integer number (2784900).

Almost surely, 2^15873873 is an apocalyptic number.

It is an amenable number.

15873873 is a deficient number, since it is larger than the sum of its proper divisors (6405327).

15873873 is a wasteful number, since it uses less digits than its factorization.

15873873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278511.

The product of its digits is 141120, while the sum is 42.

The square root of 15873873 is about 3984.2029315787. The cubic root of 15873873 is about 251.3203372292.

It can be divided in two parts, 1587 and 3873, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 15873873 in words is "fifteen million, eight hundred seventy-three thousand, eight hundred seventy-three".