13680412 has 12 divisors (see below), whose sum is σ = 23966656. Its totient is φ = 6832800.

The previous prime is 13680397. The next prime is 13680439. The reversal of 13680412 is 21408631.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 6037 + ... + 7987.

Almost surely, 2^13680412 is an apocalyptic number.

It is an amenable number.

13680412 is a deficient number, since it is larger than the sum of its proper divisors (10286244).

13680412 is a wasteful number, since it uses less digits than its factorization.

13680412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3708 (or 3706 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 13680412 is about 3698.7040973833. The cubic root of 13680412 is about 239.1661572237.

The spelling of 13680412 in words is "thirteen million, six hundred eighty thousand, four hundred twelve".