13021042 has 8 divisors (see below), whose sum is σ = 20559600. Its totient is φ = 6167844.

The previous prime is 13021033. The next prime is 13021049. The reversal of 13021042 is 24012031.

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

It is not an unprimeable number, because it can be changed into a prime (13021049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171292 + ... + 171367.

It is an arithmetic number, because the mean of its divisors is an integer number (2569950).

Almost surely, 2^13021042 is an apocalyptic number.

13021042 is a deficient number, since it is larger than the sum of its proper divisors (7538558).

13021042 is a wasteful number, since it uses less digits than its factorization.

13021042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342680.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 13021042 is about 3608.4680960208. The cubic root of 13021042 is about 235.2602639358.

Adding to 13021042 its reverse (24012031), we get a palindrome (37033073).

The spelling of 13021042 in words is "thirteen million, twenty-one thousand, forty-two".