13338641 has 2 divisors, whose sum is σ = 13338642. Its totient is φ = 13338640.

The previous prime is 13338631. The next prime is 13338667. The reversal of 13338641 is 14683331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 6027025 = 2704^2 + 2455^2 .

It is a cyclic number.

It is not a de Polignac number, because 13338641 - 2¹⁰ = 13337617 is a prime.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (13338601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6669320 + 6669321.

It is an arithmetic number, because the mean of its divisors is an integer number (6669321).

Almost surely, 2^13338641 is an apocalyptic number.

It is an amenable number.

13338641 is a deficient number, since it is larger than the sum of its proper divisors (1).

13338641 is an equidigital number, since it uses as much as digits as its factorization.

13338641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 13338641 is about 3652.2104265773. The cubic root of 13338641 is about 237.1576807985.

The spelling of 13338641 in words is "thirteen million, three hundred thirty-eight thousand, six hundred forty-one".