13649382 has 12 divisors (see below), whose sum is σ = 29573700. Its totient is φ = 4549788.

The previous prime is 13649381. The next prime is 13649399. The reversal of 13649382 is 28394631.

13649382 is a `hidden beast` number, since 1 + 3 + 649 + 3 + 8 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 379132 + ... + 379167.

It is an arithmetic number, because the mean of its divisors is an integer number (2464475).

Almost surely, 2^13649382 is an apocalyptic number.

13649382 is an abundant number, since it is smaller than the sum of its proper divisors (15924318).

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

13649382 is a wasteful number, since it uses less digits than its factorization.

13649382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758307 (or 758304 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13649382 is about 3694.5070036474. The cubic root of 13649382 is about 238.9851942533.

The spelling of 13649382 in words is "thirteen million, six hundred forty-nine thousand, three hundred eighty-two".