14004020 has 12 divisors (see below), whose sum is σ = 29408484. Its totient is φ = 5601600.

The previous prime is 14003981. The next prime is 14004041. The reversal of 14004020 is 2040041.

It can be written as a sum of positive squares in 2 ways, for example, as 3519376 + 10484644 = 1876^2 + 3238^2 .

It is a super-2 number, since 2×14004020² = 392225152320800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14003992 and 14004010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350081 + ... + 350120.

It is an arithmetic number, because the mean of its divisors is an integer number (2450707).

Almost surely, 2^14004020 is an apocalyptic number.

14004020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14004020 is an abundant number, since it is smaller than the sum of its proper divisors (15404464).

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

14004020 is a wasteful number, since it uses less digits than its factorization.

14004020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700210 (or 700208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 14004020 is about 3742.1945433128. The cubic root of 14004020 is about 241.0372927144.

Adding to 14004020 its reverse (2040041), we get a palindrome (16044061).

The spelling of 14004020 in words is "fourteen million, four thousand, twenty".