14887920 has 160 divisors (see below), whose sum is σ = 50621760. Its totient is φ = 3604480.

The previous prime is 14887913. The next prime is 14887921. The reversal of 14887920 is 2978841.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14887921) 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 31 ways as a sum of consecutive naturals, for example, 167236 + ... + 167324.

It is an arithmetic number, because the mean of its divisors is an integer number (316386).

Almost surely, 2^14887920 is an apocalyptic number.

14887920 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 14887920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25310880).

14887920 is an abundant number, since it is smaller than the sum of its proper divisors (35733840).

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

14887920 is a wasteful number, since it uses less digits than its factorization.

14887920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 14887920 is about 3858.4867500096. The cubic root of 14887920 is about 246.0054199348.

The spelling of 14887920 in words is "fourteen million, eight hundred eighty-seven thousand, nine hundred twenty".