13439088 has 80 divisors (see below), whose sum is σ = 41559840. Its totient is φ = 4133376.

The previous prime is 13439077. The next prime is 13439113. The reversal of 13439088 is 88093431.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4420 + ... + 6812.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 2^13439088 is an apocalyptic number.

13439088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13439088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20779920).

13439088 is an abundant number, since it is smaller than the sum of its proper divisors (28120752).

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

13439088 is a wasteful number, since it uses less digits than its factorization.

13439088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2423 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13439088 is about 3665.9361696571. The cubic root of 13439088 is about 237.7515001547.

The spelling of 13439088 in words is "thirteen million, four hundred thirty-nine thousand, eighty-eight".