13409088 has 112 divisors (see below), whose sum is σ = 44281344. Its totient is φ = 3479040.

The previous prime is 13409087. The next prime is 13409089. The reversal of 13409088 is 88090431.

It is an interprime number because it is at equal distance from previous prime (13409087) and next prime (13409089).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14331 + ... + 15237.

Almost surely, 2^13409088 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 13409088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22140672).

13409088 is an abundant number, since it is smaller than the sum of its proper divisors (30872256).

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

13409088 is a wasteful number, since it uses less digits than its factorization.

13409088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 930 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 13409088 is about 3661.8421593509. The cubic root of 13409088 is about 237.5744579103.

The spelling of 13409088 in words is "thirteen million, four hundred nine thousand, eighty-eight".