13475647 has 2 divisors, whose sum is σ = 13475648. Its totient is φ = 13475646.

The previous prime is 13475639. The next prime is 13475653. The reversal of 13475647 is 74657431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13475647 - 2³ = 13475639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13472647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737823 + 6737824.

It is an arithmetic number, because the mean of its divisors is an integer number (6737824).

Almost surely, 2^13475647 is an apocalyptic number.

13475647 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475647 is an equidigital number, since it uses as much as digits as its factorization.

13475647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 37.

The square root of 13475647 is about 3670.9190947227. The cubic root of 13475647 is about 237.9668939192.

The spelling of 13475647 in words is "thirteen million, four hundred seventy-five thousand, six hundred forty-seven".