14387280 has 80 divisors (see below), whose sum is σ = 45009024. Its totient is φ = 3801600.

The previous prime is 14387279. The next prime is 14387293. The reversal of 14387280 is 8278341.

It is a tau number, because it is divible by the number of its divisors (80).

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36042 + ... + 36438.

Almost surely, 2^14387280 is an apocalyptic number.

14387280 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 14387280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22504512).

14387280 is an abundant number, since it is smaller than the sum of its proper divisors (30621744).

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

14387280 is a wasteful number, since it uses less digits than its factorization.

14387280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 558 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 14387280 is about 3793.0568147604. The cubic root of 14387280 is about 243.2164238966.

The spelling of 14387280 in words is "fourteen million, three hundred eighty-seven thousand, two hundred eighty".