13604416 has 28 divisors (see below), whose sum is σ = 30853888. Its totient is φ = 5830272.

The previous prime is 13604413. The next prime is 13604441. The reversal of 13604416 is 61440631.

It is a tau number, because it is divible by the number of its divisors (28).

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (13604413) 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 3 ways as a sum of consecutive naturals, for example, 14736 + ... + 15631.

Almost surely, 2^13604416 is an apocalyptic number.

13604416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13604416 is an abundant number, since it is smaller than the sum of its proper divisors (17249472).

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

13604416 is an equidigital number, since it uses as much as digits as its factorization.

13604416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30386 (or 30376 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13604416 is about 3688.4164623860. The cubic root of 13604416 is about 238.7224709905.

It can be divided in two parts, 1360 and 4416, that added together give a square (5776 = 76²).

The spelling of 13604416 in words is "thirteen million, six hundred four thousand, four hundred sixteen".