13406244 has 48 divisors (see below), whose sum is σ = 32332608. Its totient is φ = 4321408.

The previous prime is 13406213. The next prime is 13406249. The reversal of 13406244 is 44260431.

It is not an unprimeable number, because it can be changed into a prime (13406249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67954 + ... + 68150.

It is an arithmetic number, because the mean of its divisors is an integer number (673596).

Almost surely, 2^13406244 is an apocalyptic number.

It is an amenable number.

13406244 is an abundant number, since it is smaller than the sum of its proper divisors (18926364).

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

13406244 is a wasteful number, since it uses less digits than its factorization.

13406244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 13406244 is about 3661.4538096226. The cubic root of 13406244 is about 237.5576606075.

Adding to 13406244 its reverse (44260431), we get a palindrome (57666675).

The spelling of 13406244 in words is "thirteen million, four hundred six thousand, two hundred forty-four".