13483621 has 2 divisors, whose sum is σ = 13483622. Its totient is φ = 13483620.

The previous prime is 13483619. The next prime is 13483633. The reversal of 13483621 is 12638431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 1718721 = 3430^2 + 1311^2 .

It is a cyclic number.

It is not a de Polignac number, because 13483621 - 2¹ = 13483619 is a prime.

Together with 13483619, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13483621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13483121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6741810 + 6741811.

It is an arithmetic number, because the mean of its divisors is an integer number (6741811).

Almost surely, 2^13483621 is an apocalyptic number.

It is an amenable number.

13483621 is a deficient number, since it is larger than the sum of its proper divisors (1).

13483621 is an equidigital number, since it uses as much as digits as its factorization.

13483621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 13483621 is about 3672.0050381229. The cubic root of 13483621 is about 238.0138223735.

The spelling of 13483621 in words is "thirteen million, four hundred eighty-three thousand, six hundred twenty-one".