13680410 has 16 divisors (see below), whose sum is σ = 26073576. Its totient is φ = 5150208.

The previous prime is 13680397. The next prime is 13680439. The reversal of 13680410 is 1408631.

It can be written as a sum of positive squares in 4 ways, for example, as 12794929 + 885481 = 3577^2 + 941^2 .

It is a Curzon 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, 40067 + ... + 40406.

Almost surely, 2^13680410 is an apocalyptic number.

13680410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13680410 is a deficient number, since it is larger than the sum of its proper divisors (12393166).

13680410 is a wasteful number, since it uses less digits than its factorization.

13680410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80497.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 13680410 is about 3698.7038270183. The cubic root of 13680410 is about 239.1661455687.

The spelling of 13680410 in words is "thirteen million, six hundred eighty thousand, four hundred ten".