13618146 has 16 divisors (see below), whose sum is σ = 27972864. Its totient is φ = 4416624.

The previous prime is 13618123. The next prime is 13618147. The reversal of 13618146 is 64181631.

It is not an unprimeable number, because it can be changed into a prime (13618147) 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, 30450 + ... + 30893.

It is an arithmetic number, because the mean of its divisors is an integer number (1748304).

Almost surely, 2^13618146 is an apocalyptic number.

13618146 is an abundant number, since it is smaller than the sum of its proper divisors (14354718).

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

13618146 is a wasteful number, since it uses less digits than its factorization.

13618146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61385.

The product of its digits is 3456, while the sum is 30.

The square root of 13618146 is about 3690.2772253586. The cubic root of 13618146 is about 238.8027527046.

Adding to 13618146 its reverse (64181631), we get a palindrome (77799777).

The spelling of 13618146 in words is "thirteen million, six hundred eighteen thousand, one hundred forty-six".