13634880 has 112 divisors (see below), whose sum is σ = 49499520. Its totient is φ = 3115008.

The previous prime is 13634879. The next prime is 13634891. The reversal of 13634880 is 8843631.

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

It is a super-2 number, since 2×13634880² = 371819905228800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5706 + ... + 7734.

It is an arithmetic number, because the mean of its divisors is an integer number (441960).

Almost surely, 2^13634880 is an apocalyptic number.

13634880 is a gapful number since it is divisible by the number (10) 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 13634880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24749760).

13634880 is an abundant number, since it is smaller than the sum of its proper divisors (35864640).

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

13634880 is a wasteful number, since it uses less digits than its factorization.

13634880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 13634880 is about 3692.5438386023. The cubic root of 13634880 is about 238.9005264046.

The spelling of 13634880 in words is "thirteen million, six hundred thirty-four thousand, eight hundred eighty".