13653138 has 16 divisors (see below), whose sum is σ = 27588960. Its totient is φ = 4503936.

The previous prime is 13653137. The next prime is 13653149. The reversal of 13653138 is 83135631.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13653137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11148 + ... + 12311.

It is an arithmetic number, because the mean of its divisors is an integer number (1724310).

Almost surely, 2^13653138 is an apocalyptic number.

13653138 is an abundant number, since it is smaller than the sum of its proper divisors (13935822).

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

13653138 is a wasteful number, since it uses less digits than its factorization.

13653138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23561.

The product of its digits is 6480, while the sum is 30.

The square root of 13653138 is about 3695.0152909021. The cubic root of 13653138 is about 239.0071133426.

Adding to 13653138 its reverse (83135631), we get a palindrome (96788769).

The spelling of 13653138 in words is "thirteen million, six hundred fifty-three thousand, one hundred thirty-eight".