13450438 has 4 divisors (see below), whose sum is σ = 20175660. Its totient is φ = 6725218.

The previous prime is 13450433. The next prime is 13450441. The reversal of 13450438 is 83405431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83405431 = 827 ⋅100853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450433) by changing a digit.

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 as a sum of consecutive naturals, namely, 3362608 + ... + 3362611.

It is an arithmetic number, because the mean of its divisors is an integer number (5043915).

Almost surely, 2^13450438 is an apocalyptic number.

13450438 is a deficient number, since it is larger than the sum of its proper divisors (6725222).

13450438 is an equidigital number, since it uses as much as digits as its factorization.

13450438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6725221.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 13450438 is about 3667.4838786285. The cubic root of 13450438 is about 237.8184124386.

Adding to 13450438 its reverse (83405431), we get a palindrome (96855869).

The spelling of 13450438 in words is "thirteen million, four hundred fifty thousand, four hundred thirty-eight".