13408616 has 32 divisors (see below), whose sum is σ = 27955200. Its totient is φ = 5987520.

The previous prime is 13408613. The next prime is 13408621. The reversal of 13408616 is 61680431.

13408616 = T₁₂₃ + T₁₂₄ + ... + T₄₃₄.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13408613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1145 + ... + 5303.

It is an arithmetic number, because the mean of its divisors is an integer number (873600).

Almost surely, 2^13408616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13408616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13977600).

13408616 is an abundant number, since it is smaller than the sum of its proper divisors (14546584).

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

13408616 is a wasteful number, since it uses less digits than its factorization.

13408616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4209 (or 4205 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13408616 is about 3661.7777103478. Note that the first 4 decimals coincide. The cubic root of 13408616 is about 237.5716703366.

The spelling of 13408616 in words is "thirteen million, four hundred eight thousand, six hundred sixteen".