14399520 has 96 divisors (see below), whose sum is σ = 45904320. Its totient is φ = 3793920.

The previous prime is 14399507. The next prime is 14399521. The reversal of 14399520 is 2599341.

It is a tau number, because it is divible by the number of its divisors (96).

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14399521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62766 + ... + 62994.

It is an arithmetic number, because the mean of its divisors is an integer number (478170).

Almost surely, 2^14399520 is an apocalyptic number.

14399520 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 14399520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22952160).

14399520 is an abundant number, since it is smaller than the sum of its proper divisors (31504800).

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

14399520 is a wasteful number, since it uses less digits than its factorization.

14399520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 14399520 is about 3794.6699461218. The cubic root of 14399520 is about 243.2853765920.

The spelling of 14399520 in words is "fourteen million, three hundred ninety-nine thousand, five hundred twenty".