13427963 has 2 divisors, whose sum is σ = 13427964. Its totient is φ = 13427962.

The previous prime is 13427933. The next prime is 13427971. The reversal of 13427963 is 36972431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13427963 - 2¹² = 13423867 is a prime.

It is not a weakly prime, because it can be changed into another prime (13427933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6713981 + 6713982.

It is an arithmetic number, because the mean of its divisors is an integer number (6713982).

Almost surely, 2^13427963 is an apocalyptic number.

13427963 is a deficient number, since it is larger than the sum of its proper divisors (1).

13427963 is an equidigital number, since it uses as much as digits as its factorization.

13427963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 35.

The square root of 13427963 is about 3664.4185077581. The cubic root of 13427963 is about 237.6858777548.

The spelling of 13427963 in words is "thirteen million, four hundred twenty-seven thousand, nine hundred sixty-three".