13580663 has 2 divisors, whose sum is σ = 13580664. Its totient is φ = 13580662.

The previous prime is 13580659. The next prime is 13580681. The reversal of 13580663 is 36608531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13580663 - 2² = 13580659 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13580563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6790331 + 6790332.

It is an arithmetic number, because the mean of its divisors is an integer number (6790332).

Almost surely, 2^13580663 is an apocalyptic number.

13580663 is a deficient number, since it is larger than the sum of its proper divisors (1).

13580663 is an equidigital number, since it uses as much as digits as its factorization.

13580663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 13580663 is about 3685.1951101672. The cubic root of 13580663 is about 238.5834553902.

The spelling of 13580663 in words is "thirteen million, five hundred eighty thousand, six hundred sixty-three".