13089784 has 16 divisors (see below), whose sum is σ = 25835400. Its totient is φ = 6200352.

The previous prime is 13089767. The next prime is 13089787. The reversal of 13089784 is 48798031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13089787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42907 + ... + 43210.

Almost surely, 2^13089784 is an apocalyptic number.

It is an amenable number.

13089784 is a deficient number, since it is larger than the sum of its proper divisors (12745616).

13089784 is a wasteful number, since it uses less digits than its factorization.

13089784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86142 (or 86138 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 13089784 is about 3617.9806522424. The cubic root of 13089784 is about 235.6735407644.

The spelling of 13089784 in words is "thirteen million, eighty-nine thousand, seven hundred eighty-four".