13089549 has 16 divisors (see below), whose sum is σ = 19229184. Its totient is φ = 7854000.

The previous prime is 13089539. The next prime is 13089577. The reversal of 13089549 is 94598031.

It is not a de Polignac number, because 13089549 - 2¹² = 13085453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13089529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1474 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (1201824).

Almost surely, 2^13089549 is an apocalyptic number.

It is an amenable number.

13089549 is a deficient number, since it is larger than the sum of its proper divisors (6139635).

13089549 is a wasteful number, since it uses less digits than its factorization.

13089549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 13089549 is about 3617.9481754166. The cubic root of 13089549 is about 235.6721304123.

The spelling of 13089549 in words is "thirteen million, eighty-nine thousand, five hundred forty-nine".