13446138 has 16 divisors (see below), whose sum is σ = 26997696. Its totient is φ = 4464480.

The previous prime is 13446137. The next prime is 13446161. The reversal of 13446138 is 83164431.

It is not an unprimeable number, because it can be changed into a prime (13446137) 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, 2683 + ... + 5838.

It is an arithmetic number, because the mean of its divisors is an integer number (1687356).

Almost surely, 2^13446138 is an apocalyptic number.

13446138 is an abundant number, since it is smaller than the sum of its proper divisors (13551558).

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

13446138 is a wasteful number, since it uses less digits than its factorization.

13446138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8789.

The product of its digits is 6912, while the sum is 30.

The square root of 13446138 is about 3666.8975987884. The cubic root of 13446138 is about 237.7930668410.

The spelling of 13446138 in words is "thirteen million, four hundred forty-six thousand, one hundred thirty-eight".