14003620 has 24 divisors (see below), whose sum is σ = 29514744. Its totient is φ = 5581056.

The previous prime is 14003609. The next prime is 14003623. The reversal of 14003620 is 2630041.

It can be written as a sum of positive squares in 4 ways, for example, as 224676 + 13778944 = 474^2 + 3712^2 .

It is a super-2 number, since 2×14003620² = 392202746208800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14003594 and 14003603.

It is not an unprimeable number, because it can be changed into a prime (14003623) 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, 5142 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (1229781).

Almost surely, 2^14003620 is an apocalyptic number.

14003620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14003620 is an abundant number, since it is smaller than the sum of its proper divisors (15511124).

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

14003620 is a wasteful number, since it uses less digits than its factorization.

14003620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2557 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 14003620 is about 3742.1410983553. The cubic root of 14003620 is about 241.0349977583.

Adding to 14003620 its reverse (2630041), we get a palindrome (16633661).

The spelling of 14003620 in words is "fourteen million, three thousand, six hundred twenty".