14851720 has 48 divisors (see below), whose sum is σ = 36201060. Its totient is φ = 5483712.

The previous prime is 14851643. The next prime is 14851723. The reversal of 14851720 is 2715841.

14851720 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 6 ways, for example, as 11142244 + 3709476 = 3338^2 + 1926^2 .

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (14851723) 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 11 ways as a sum of consecutive naturals, for example, 1142434 + ... + 1142446.

Almost surely, 2^14851720 is an apocalyptic number.

14851720 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 14851720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18100530).

14851720 is an abundant number, since it is smaller than the sum of its proper divisors (21349340).

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

14851720 is an frugal number, since it uses more digits than its factorization.

14851720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 20 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 14851720 is about 3853.7929368351. The cubic root of 14851720 is about 245.8058705956.

The spelling of 14851720 in words is "fourteen million, eight hundred fifty-one thousand, seven hundred twenty".