13478473 has 2 divisors, whose sum is σ = 13478474. Its totient is φ = 13478472.

The previous prime is 13478447. The next prime is 13478497. The reversal of 13478473 is 37487431.

13478473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13307904 + 170569 = 3648^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 13478473 - 2¹⁷ = 13347401 is a prime.

It is equal to p₈₇₈₃₃₈ and since 13478473 and 878338 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13478173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6739236 + 6739237.

It is an arithmetic number, because the mean of its divisors is an integer number (6739237).

Almost surely, 2^13478473 is an apocalyptic number.

It is an amenable number.

13478473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13478473 is an equidigital number, since it uses as much as digits as its factorization.

13478473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 13478473 is about 3671.3039917719. The cubic root of 13478473 is about 237.9835275655.

The spelling of 13478473 in words is "thirteen million, four hundred seventy-eight thousand, four hundred seventy-three".