14628641 has 4 divisors (see below), whose sum is σ = 14758212. Its totient is φ = 14499072.

The previous prime is 14628631. The next prime is 14628659. The reversal of 14628641 is 14682641.

14628641 = 2704² + 2705².

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 7311616 + 7317025 = 2704^2 + 2705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14628641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14628598 and 14628607.

It is not an unprimeable number, because it can be changed into a prime (14628631) 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, 64616 + ... + 64841.

It is an arithmetic number, because the mean of its divisors is an integer number (3689553).

Almost surely, 2^14628641 is an apocalyptic number.

14628641 is the 2705-th centered square number.

It is an amenable number.

14628641 is a deficient number, since it is larger than the sum of its proper divisors (129571).

14628641 is a wasteful number, since it uses less digits than its factorization.

14628641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129570.

The product of its digits is 9216, while the sum is 32.

The square root of 14628641 is about 3824.7406448019. The cubic root of 14628641 is about 244.5689546969.

The spelling of 14628641 in words is "fourteen million, six hundred twenty-eight thousand, six hundred forty-one".