13149642 has 32 divisors (see below), whose sum is σ = 29620224. Its totient is φ = 3855600.

The previous prime is 13149623. The next prime is 13149659. The reversal of 13149642 is 24694131.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (925632).

Almost surely, 2^13149642 is an apocalyptic number.

13149642 is an abundant number, since it is smaller than the sum of its proper divisors (16470582).

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

13149642 is a wasteful number, since it uses less digits than its factorization.

13149642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6474.

The product of its digits is 5184, while the sum is 30.

The square root of 13149642 is about 3626.2435108525. The cubic root of 13149642 is about 236.0322301093.

The spelling of 13149642 in words is "thirteen million, one hundred forty-nine thousand, six hundred forty-two".