14513240 has 64 divisors (see below), whose sum is σ = 39528000. Its totient is φ = 4681728.

The previous prime is 14513227. The next prime is 14513243. The reversal of 14513240 is 4231541.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14513243) 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 15 ways as a sum of consecutive naturals, for example, 3236 + ... + 6284.

It is an arithmetic number, because the mean of its divisors is an integer number (617625).

Almost surely, 2^14513240 is an apocalyptic number.

14513240 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 14513240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19764000).

14513240 is an abundant number, since it is smaller than the sum of its proper divisors (25014760).

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

14513240 is a wasteful number, since it uses less digits than its factorization.

14513240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3080 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14513240 is about 3809.6246534272. The cubic root of 14513240 is about 243.9241455511.

Adding to 14513240 its reverse (4231541), we get a palindrome (18744781).

The spelling of 14513240 in words is "fourteen million, five hundred thirteen thousand, two hundred forty".