13695880 has 64 divisors (see below), whose sum is σ = 35614080. Its totient is φ = 4684800.

The previous prime is 13695841. The next prime is 13695881. The reversal of 13695880 is 8859631.

It is a happy number.

13695880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (13695881) 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, 6565 + ... + 8395.

It is an arithmetic number, because the mean of its divisors is an integer number (556470).

Almost surely, 2^13695880 is an apocalyptic number.

13695880 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 13695880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17807040).

13695880 is an abundant number, since it is smaller than the sum of its proper divisors (21918200).

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

13695880 is a wasteful number, since it uses less digits than its factorization.

13695880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870 (or 1866 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 13695880 is about 3700.7945092912. The cubic root of 13695880 is about 239.2562624223.

The spelling of 13695880 in words is "thirteen million, six hundred ninety-five thousand, eight hundred eighty".