13660416 has 243 divisors, whose sum is σ = 50360583. Its totient is φ = 3548160.

The previous prime is 13660403. The next prime is 13660441. The reversal of 13660416 is 61406631.

The square root of 13660416 is 3696.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 13660416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1241851 + ... + 1241861.

Almost surely, 2^13660416 is an apocalyptic number.

13660416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

13660416 is the 3696-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13660416

13660416 is an abundant number, since it is smaller than the sum of its proper divisors (36700167).

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

13660416 is a wasteful number, since it uses less digits than its factorization.

13660416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The cubic root of 13660416 is about 239.0495745158.

The spelling of 13660416 in words is "thirteen million, six hundred sixty thousand, four hundred sixteen".