13409454 has 16 divisors (see below), whose sum is σ = 27070848. Its totient is φ = 4427832.

The previous prime is 13409441. The next prime is 13409491. The reversal of 13409454 is 45490431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9802 + ... + 11085.

It is an arithmetic number, because the mean of its divisors is an integer number (1691928).

Almost surely, 2^13409454 is an apocalyptic number.

13409454 is an abundant number, since it is smaller than the sum of its proper divisors (13661394).

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

13409454 is a wasteful number, since it uses less digits than its factorization.

13409454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20999.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 13409454 is about 3661.8921338565. The cubic root of 13409454 is about 237.5766194160.

Adding to 13409454 its reverse (45490431), we get a palindrome (58899885).

The spelling of 13409454 in words is "thirteen million, four hundred nine thousand, four hundred fifty-four".