14539720 has 32 divisors (see below), whose sum is σ = 35232120. Its totient is φ = 5368320.

The previous prime is 14539711. The next prime is 14539727. The reversal of 14539720 is 2793541.

It can be written as a sum of positive squares in 4 ways, for example, as 7064964 + 7474756 = 2658^2 + 2734^2 .

It is a super-2 number, since 2×14539720² = 422806915356800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14539727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13461 + ... + 14500.

Almost surely, 2^14539720 is an apocalyptic number.

14539720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14539720 is an abundant number, since it is smaller than the sum of its proper divisors (20692400).

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

14539720 is a wasteful number, since it uses less digits than its factorization.

14539720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27985 (or 27981 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 14539720 is about 3813.0984776163. The cubic root of 14539720 is about 244.0724052791.

The spelling of 14539720 in words is "fourteen million, five hundred thirty-nine thousand, seven hundred twenty".