13439488 has 20 divisors (see below), whose sum is σ = 26853750. Its totient is φ = 6719488.

The previous prime is 13439483. The next prime is 13439497. The reversal of 13439488 is 88493431.

It can be written as a sum of positive squares in only one way, i.e., 9935104 + 3504384 = 3152^2 + 1872^2 .

It is a nialpdrome in base 8.

It is a self number, because there is not a number n which added to its sum of digits gives 13439488.

It is not an unprimeable number, because it can be changed into a prime (13439483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613 + ... + 13636.

Almost surely, 2^13439488 is an apocalyptic number.

It is an amenable number.

13439488 is a deficient number, since it is larger than the sum of its proper divisors (13414262).

13439488 is an frugal number, since it uses more digits than its factorization.

13439488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26267 (or 26251 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 13439488 is about 3665.9907255747. The cubic root of 13439488 is about 237.7538589372.

The spelling of 13439488 in words is "thirteen million, four hundred thirty-nine thousand, four hundred eighty-eight".