13577989 has 8 divisors (see below), whose sum is σ = 14329440. Its totient is φ = 12830256.

The previous prime is 13577987. The next prime is 13578007. The reversal of 13577989 is 98977531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13577989 - 2¹ = 13577987 is a prime.

It is a Duffinian number.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13577987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9942 + ... + 11224.

It is an arithmetic number, because the mean of its divisors is an integer number (1791180).

Almost surely, 2^13577989 is an apocalyptic number.

13577989 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13577989 is a deficient number, since it is larger than the sum of its proper divisors (751451).

13577989 is a wasteful number, since it uses less digits than its factorization.

13577989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859.

The product of its digits is 476280, while the sum is 49.

The square root of 13577989 is about 3684.8322892637. The cubic root of 13577989 is about 238.5677955255.

The spelling of 13577989 in words is "thirteen million, five hundred seventy-seven thousand, nine hundred eighty-nine".