13061663 has 2 divisors, whose sum is σ = 13061664. Its totient is φ = 13061662.

The previous prime is 13061641. The next prime is 13061669. The reversal of 13061663 is 36616031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13061663 - 2⁶ = 13061599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13061669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6530831 + 6530832.

It is an arithmetic number, because the mean of its divisors is an integer number (6530832).

Almost surely, 2^13061663 is an apocalyptic number.

13061663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13061663 is an equidigital number, since it uses as much as digits as its factorization.

13061663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13061663 is about 3614.0922788440. The cubic root of 13061663 is about 235.5046526398.

Adding to 13061663 its reverse (36616031), we get a palindrome (49677694).

The spelling of 13061663 in words is "thirteen million, sixty-one thousand, six hundred sixty-three".