13449984 has 72 divisors (see below), whose sum is σ = 36399552. Its totient is φ = 4408320.

The previous prime is 13449979. The next prime is 13450039. The reversal of 13449984 is 48994431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63639 + ... + 63849.

Almost surely, 2^13449984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13449984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18199776).

13449984 is an abundant number, since it is smaller than the sum of its proper divisors (22949568).

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

13449984 is an equidigital number, since it uses as much as digits as its factorization.

13449984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 299 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 13449984 is about 3667.4219828103. The cubic root of 13449984 is about 237.8157366702.

The spelling of 13449984 in words is "thirteen million, four hundred forty-nine thousand, nine hundred eighty-four".