14000280 has 96 divisors (see below), whose sum is σ = 48878640. Its totient is φ = 3198720.

The previous prime is 14000257. The next prime is 14000281. The reversal of 14000280 is 8200041.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14000281) 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, 4690 + ... + 7070.

Almost surely, 2^14000280 is an apocalyptic number.

14000280 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 14000280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24439320).

14000280 is an abundant number, since it is smaller than the sum of its proper divisors (34878360).

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

14000280 is a wasteful number, since it uses less digits than its factorization.

14000280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 14000280 is about 3741.6948031607. The cubic root of 14000280 is about 241.0158331683.

The spelling of 14000280 in words is "fourteen million, two hundred eighty", and thus it is an aban number.