13438454 has 16 divisors (see below), whose sum is σ = 20666016. Its totient is φ = 6552000.

The previous prime is 13438441. The next prime is 13438507. The reversal of 13438454 is 45483431.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13438454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13874 + ... + 14810.

It is an arithmetic number, because the mean of its divisors is an integer number (1291626).

Almost surely, 2^13438454 is an apocalyptic number.

13438454 is a deficient number, since it is larger than the sum of its proper divisors (7227562).

13438454 is a wasteful number, since it uses less digits than its factorization.

13438454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111.

The product of its digits is 23040, while the sum is 32.

The square root of 13438454 is about 3665.8496968643. The cubic root of 13438454 is about 237.7477613886.

The spelling of 13438454 in words is "thirteen million, four hundred thirty-eight thousand, four hundred fifty-four".