13601730 has 32 divisors (see below), whose sum is σ = 32902848. Its totient is φ = 3598400.

The previous prime is 13601723. The next prime is 13601789. The reversal of 13601730 is 3710631.

13601730 = 255² + 256² + ... + 385².

It is a junction number, because it is equal to n+sod(n) for n = 13601697 and 13601706.

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 15 ways as a sum of consecutive naturals, for example, 2200 + ... + 5660.

It is an arithmetic number, because the mean of its divisors is an integer number (1028214).

Almost surely, 2^13601730 is an apocalyptic number.

13601730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13601730 is an abundant number, since it is smaller than the sum of its proper divisors (19301118).

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

13601730 is a wasteful number, since it uses less digits than its factorization.

13601730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3602.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 13601730 is about 3688.0523315159. The cubic root of 13601730 is about 238.7067591618.

The spelling of 13601730 in words is "thirteen million, six hundred one thousand, seven hundred thirty".