13670559 has 24 divisors (see below), whose sum is σ = 23561520. Its totient is φ = 7810992.

The previous prime is 13670551. The next prime is 13670599. The reversal of 13670559 is 95507631.

It is a happy number.

13670559 is a `hidden beast` number, since 1 + 36 + 70 + 559 = 666.

13670559 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13670559 - 2³ = 13670551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13670551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3844 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (981730).

Almost surely, 2^13670559 is an apocalyptic number.

13670559 is a deficient number, since it is larger than the sum of its proper divisors (9890961).

13670559 is a wasteful number, since it uses less digits than its factorization.

13670559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10356 (or 10343 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 13670559 is about 3697.3719044749. The cubic root of 13670559 is about 239.1087254710.

The spelling of 13670559 in words is "thirteen million, six hundred seventy thousand, five hundred fifty-nine".