14040621 has 20 divisors (see below), whose sum is σ = 23971552. Its totient is φ = 8022888.

The previous prime is 14040599. The next prime is 14040641. The reversal of 14040621 is 12604041.

14040621 is a `hidden beast` number, since 1 + 4 + 0 + 40 + 621 = 666.

It is not a de Polignac number, because 14040621 - 2⁷ = 14040493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14040594 and 14040603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14040641) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11815 + ... + 12948.

Almost surely, 2^14040621 is an apocalyptic number.

It is an amenable number.

14040621 is a deficient number, since it is larger than the sum of its proper divisors (9930931).

14040621 is an equidigital number, since it uses as much as digits as its factorization.

14040621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24782 (or 24773 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 14040621 is about 3747.0816644423. The cubic root of 14040621 is about 241.2471022588.

Adding to 14040621 its reverse (12604041), we get a palindrome (26644662).

The spelling of 14040621 in words is "fourteen million, forty thousand, six hundred twenty-one".