13731448 has 32 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 6638688.

The previous prime is 13731439. The next prime is 13731451. The reversal of 13731448 is 84413731.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 61465 + ... + 61687.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^13731448 is an apocalyptic number.

It is an amenable number.

13731448 is a deficient number, since it is larger than the sum of its proper divisors (12879752).

13731448 is a wasteful number, since it uses less digits than its factorization.

13731448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 447 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 13731448 is about 3705.5968480125. The cubic root of 13731448 is about 239.4631983934.

The spelling of 13731448 in words is "thirteen million, seven hundred thirty-one thousand, four hundred forty-eight".