13229680 has 40 divisors (see below), whose sum is σ = 31274784. Its totient is φ = 5203200.

The previous prime is 13229663. The next prime is 13229707. The reversal of 13229680 is 8692231.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3525 + ... + 6235.

Almost surely, 2^13229680 is an apocalyptic number.

13229680 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 13229680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15637392).

13229680 is an abundant number, since it is smaller than the sum of its proper divisors (18045104).

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

13229680 is a wasteful number, since it uses less digits than its factorization.

13229680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2785 (or 2779 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13229680 is about 3637.2627070367. The cubic root of 13229680 is about 236.5101480031.

The spelling of 13229680 in words is "thirteen million, two hundred twenty-nine thousand, six hundred eighty".