14402621 has 4 divisors (see below), whose sum is σ = 15249852. Its totient is φ = 13555392.

The previous prime is 14402611. The next prime is 14402639. The reversal of 14402621 is 12620441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12996025 + 1406596 = 3605^2 + 1186^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14402621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14402593 and 14402602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14402611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423590 + ... + 423623.

It is an arithmetic number, because the mean of its divisors is an integer number (3812463).

Almost surely, 2^14402621 is an apocalyptic number.

It is an amenable number.

14402621 is a deficient number, since it is larger than the sum of its proper divisors (847231).

14402621 is an equidigital number, since it uses as much as digits as its factorization.

14402621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847230.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14402621 is about 3795.0785235618. The cubic root of 14402621 is about 243.3028395307.

The spelling of 14402621 in words is "fourteen million, four hundred two thousand, six hundred twenty-one".