13187042 has 16 divisors (see below), whose sum is σ = 21650112. Its totient is φ = 5974320.

The previous prime is 13187039. The next prime is 13187047. The reversal of 13187042 is 24078131.

It is not an unprimeable number, because it can be changed into a prime (13187047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7403 + ... + 9009.

It is an arithmetic number, because the mean of its divisors is an integer number (1353132).

Almost surely, 2^13187042 is an apocalyptic number.

13187042 is a deficient number, since it is larger than the sum of its proper divisors (8463070).

13187042 is a wasteful number, since it uses less digits than its factorization.

13187042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 13187042 is about 3631.3967009954. The cubic root of 13187042 is about 236.2557913159.

The spelling of 13187042 in words is "thirteen million, one hundred eighty-seven thousand, forty-two".