14991872 has 80 divisors (see below), whose sum is σ = 35354880. Its totient is φ = 6217728.

The previous prime is 14991871. The next prime is 14991901. The reversal of 14991872 is 27819941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14991871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168404 + ... + 168492.

It is an arithmetic number, because the mean of its divisors is an integer number (441936).

Almost surely, 2^14991872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14991872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17677440).

14991872 is an abundant number, since it is smaller than the sum of its proper divisors (20363008).

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

14991872 is an frugal number, since it uses more digits than its factorization.

14991872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 145 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 14991872 is about 3871.9338837330. The cubic root of 14991872 is about 246.5766541142.

The spelling of 14991872 in words is "fourteen million, nine hundred ninety-one thousand, eight hundred seventy-two".