13491384 has 32 divisors (see below), whose sum is σ = 34642320. Its totient is φ = 4375296.

The previous prime is 13491377. The next prime is 13491389. The reversal of 13491384 is 48319431.

It is a super-3 number, since 3×13491384³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13491389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6709 + ... + 8484.

Almost surely, 2^13491384 is an apocalyptic number.

It is an amenable number.

13491384 is an abundant number, since it is smaller than the sum of its proper divisors (21150936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13491384 is a wasteful number, since it uses less digits than its factorization.

13491384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15239 (or 15235 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 13491384 is about 3673.0619379477. The cubic root of 13491384 is about 238.0594912835.

The spelling of 13491384 in words is "thirteen million, four hundred ninety-one thousand, three hundred eighty-four".