13156463 has 2 divisors, whose sum is σ = 13156464. Its totient is φ = 13156462.

The previous prime is 13156457. The next prime is 13156471. The reversal of 13156463 is 36465131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13156463 - 2⁴ = 13156447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13156063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6578231 + 6578232.

It is an arithmetic number, because the mean of its divisors is an integer number (6578232).

Almost surely, 2^13156463 is an apocalyptic number.

13156463 is a deficient number, since it is larger than the sum of its proper divisors (1).

13156463 is an equidigital number, since it uses as much as digits as its factorization.

13156463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 13156463 is about 3627.1838938769. The cubic root of 13156463 is about 236.0730347068.

The spelling of 13156463 in words is "thirteen million, one hundred fifty-six thousand, four hundred sixty-three".