13012642 has 8 divisors (see below), whose sum is σ = 19839132. Its totient is φ = 6399600.

The previous prime is 13012609. The next prime is 13012669. The reversal of 13012642 is 24621031.

It can be written as a sum of positive squares in 2 ways, for example, as 12809241 + 203401 = 3579^2 + 451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 53209 + ... + 53452.

Almost surely, 2^13012642 is an apocalyptic number.

13012642 is a deficient number, since it is larger than the sum of its proper divisors (6826490).

13012642 is a wasteful number, since it uses less digits than its factorization.

13012642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106724.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 13012642 is about 3607.3039794284. The cubic root of 13012642 is about 235.2096634969.

Adding to 13012642 its reverse (24621031), we get a palindrome (37633673).

The spelling of 13012642 in words is "thirteen million, twelve thousand, six hundred forty-two".