13697180 has 48 divisors (see below), whose sum is σ = 33094656. Its totient is φ = 4664640.

The previous prime is 13697149. The next prime is 13697197. The reversal of 13697180 is 8179631.

It is a super-2 number, since 2×13697180² = 375225479904800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 13697180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31565 + ... + 31995.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^13697180 is an apocalyptic number.

13697180 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 13697180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16547328).

13697180 is an abundant number, since it is smaller than the sum of its proper divisors (19397476).

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

13697180 is a wasteful number, since it uses less digits than its factorization.

13697180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 13697180 is about 3700.9701430841. The cubic root of 13697180 is about 239.2638321757.

The spelling of 13697180 in words is "thirteen million, six hundred ninety-seven thousand, one hundred eighty".