13598947 has 2 divisors, whose sum is σ = 13598948. Its totient is φ = 13598946.

The previous prime is 13598917. The next prime is 13598971. The reversal of 13598947 is 74989531.

It is a happy number.

13598947 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 is a cyclic number.

It is not a de Polignac number, because 13598947 - 2¹¹ = 13596899 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13598897 and 13598906.

It is not a weakly prime, because it can be changed into another prime (13598917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6799473 + 6799474.

It is an arithmetic number, because the mean of its divisors is an integer number (6799474).

Almost surely, 2^13598947 is an apocalyptic number.

13598947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13598947 is an equidigital number, since it uses as much as digits as its factorization.

13598947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 46.

The square root of 13598947 is about 3687.6750127960. The cubic root of 13598947 is about 238.6904777470.

The spelling of 13598947 in words is "thirteen million, five hundred ninety-eight thousand, nine hundred forty-seven".