14399540 has 24 divisors (see below), whose sum is σ = 30754080. Its totient is φ = 5661728.

The previous prime is 14399533. The next prime is 14399543. The reversal of 14399540 is 4599341.

It is a self number, because there is not a number n which added to its sum of digits gives 14399540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14399543) 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 7 ways as a sum of consecutive naturals, for example, 4922 + ... + 7281.

It is an arithmetic number, because the mean of its divisors is an integer number (1281420).

Almost surely, 2^14399540 is an apocalyptic number.

14399540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14399540 is an abundant number, since it is smaller than the sum of its proper divisors (16354540).

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

14399540 is a wasteful number, since it uses less digits than its factorization.

14399540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12271 (or 12269 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 14399540 is about 3794.6725813962. The cubic root of 14399540 is about 243.2854892278.

The spelling of 14399540 in words is "fourteen million, three hundred ninety-nine thousand, five hundred forty".