13661346 has 16 divisors (see below), whose sum is σ = 27359424. Its totient is φ = 4547664.

The previous prime is 13661341. The next prime is 13661357. The reversal of 13661346 is 64316631.

It is not an unprimeable number, because it can be changed into a prime (13661341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6771 + ... + 8553.

It is an arithmetic number, because the mean of its divisors is an integer number (1709964).

Almost surely, 2^13661346 is an apocalyptic number.

13661346 is an abundant number, since it is smaller than the sum of its proper divisors (13698078).

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

13661346 is a wasteful number, since it uses less digits than its factorization.

13661346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3065.

The product of its digits is 7776, while the sum is 30.

The square root of 13661346 is about 3696.1258095471. The cubic root of 13661346 is about 239.0549992179.

Adding to 13661346 its reverse (64316631), we get a palindrome (77977977).

The spelling of 13661346 in words is "thirteen million, six hundred sixty-one thousand, three hundred forty-six".