13589869 has 2 divisors, whose sum is σ = 13589870. Its totient is φ = 13589868.

The previous prime is 13589833. The next prime is 13589879. The reversal of 13589869 is 96898531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11309769 + 2280100 = 3363^2 + 1510^2 .

It is a cyclic number.

It is not a de Polignac number, because 13589869 - 2¹⁹ = 13065581 is a prime.

It is a super-2 number, since 2×13589869² = 369369078874322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13589879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6794934 + 6794935.

It is an arithmetic number, because the mean of its divisors is an integer number (6794935).

Almost surely, 2^13589869 is an apocalyptic number.

It is an amenable number.

13589869 is a deficient number, since it is larger than the sum of its proper divisors (1).

13589869 is an equidigital number, since it uses as much as digits as its factorization.

13589869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 49.

The square root of 13589869 is about 3686.4439504759. The cubic root of 13589869 is about 238.6373531805.

The spelling of 13589869 in words is "thirteen million, five hundred eighty-nine thousand, eight hundred sixty-nine".