13416538 has 8 divisors (see below), whose sum is σ = 20157588. Its totient is φ = 6697344.

The previous prime is 13416517. The next prime is 13416539. The reversal of 13416538 is 83561431.

13416538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12341169 + 1075369 = 3513^2 + 1037^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13416539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3831 + ... + 6442.

Almost surely, 2^13416538 is an apocalyptic number.

13416538 is a deficient number, since it is larger than the sum of its proper divisors (6741050).

13416538 is a wasteful number, since it uses less digits than its factorization.

13416538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928.

The product of its digits is 8640, while the sum is 31.

The square root of 13416538 is about 3662.8592656557. The cubic root of 13416538 is about 237.6184480266.

Adding to 13416538 its reverse (83561431), we get a palindrome (96977969).

The spelling of 13416538 in words is "thirteen million, four hundred sixteen thousand, five hundred thirty-eight".