13409046 has 72 divisors (see below), whose sum is σ = 35319024. Its totient is φ = 3659040.

The previous prime is 13409027. The next prime is 13409047. The reversal of 13409046 is 64090431.

13409046 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409047) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19956 + ... + 20616.

It is an arithmetic number, because the mean of its divisors is an integer number (490542).

Almost surely, 2^13409046 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13409046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17659512).

13409046 is an abundant number, since it is smaller than the sum of its proper divisors (21909978).

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

13409046 is a wasteful number, since it uses less digits than its factorization.

13409046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 696 counting only the distinct ones).

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

The square root of 13409046 is about 3661.8364245280. The cubic root of 13409046 is about 237.5742098661.

Adding to 13409046 its reverse (64090431), we get a palindrome (77499477).

The spelling of 13409046 in words is "thirteen million, four hundred nine thousand, forty-six".