13321880 has 128 divisors (see below), whose sum is σ = 37558080. Its totient is φ = 4177920.

The previous prime is 13321879. The next prime is 13321927. The reversal of 13321880 is 8812331.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97172 + ... + 97308.

Almost surely, 2^13321880 is an apocalyptic number.

13321880 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 13321880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18779040).

13321880 is an abundant number, since it is smaller than the sum of its proper divisors (24236200).

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

13321880 is a wasteful number, since it uses less digits than its factorization.

13321880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 13321880 is about 3649.9150675050. The cubic root of 13321880 is about 237.0583037078.

The spelling of 13321880 in words is "thirteen million, three hundred twenty-one thousand, eight hundred eighty".