15873120 has 144 divisors (see below), whose sum is σ = 55272672. Its totient is φ = 4147200.

The previous prime is 15873107. The next prime is 15873127. The reversal of 15873120 is 2137851.

It is a tau number, because it is divible by the number of its divisors (144).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15873127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105045 + ... + 105195.

It is an arithmetic number, because the mean of its divisors is an integer number (383838).

Almost surely, 2^15873120 is an apocalyptic number.

15873120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15873120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27636336).

15873120 is an abundant number, since it is smaller than the sum of its proper divisors (39399552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15873120 is a wasteful number, since it uses less digits than its factorization.

15873120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 15873120 is about 3984.1084322593. The cubic root of 15873120 is about 251.3163632524.

The spelling of 15873120 in words is "fifteen million, eight hundred seventy-three thousand, one hundred twenty".