13063613 has 2 divisors, whose sum is σ = 13063614. Its totient is φ = 13063612.

The previous prime is 13063607. The next prime is 13063649. The reversal of 13063613 is 31636031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 375769 = 3562^2 + 613^2 .

It is a cyclic number.

It is not a de Polignac number, because 13063613 - 2¹⁶ = 12998077 is a prime.

It is a super-2 number, since 2×13063613² = 341315969227538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13063663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6531806 + 6531807.

It is an arithmetic number, because the mean of its divisors is an integer number (6531807).

Almost surely, 2^13063613 is an apocalyptic number.

It is an amenable number.

13063613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13063613 is an equidigital number, since it uses as much as digits as its factorization.

13063613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13063613 is about 3614.3620460601. The cubic root of 13063613 is about 235.5163716994.

Adding to 13063613 its reverse (31636031), we get a palindrome (44699644).

The spelling of 13063613 in words is "thirteen million, sixty-three thousand, six hundred thirteen".