13004142 has 16 divisors (see below), whose sum is σ = 26047440. Its totient is φ = 4328192.

The previous prime is 13004137. The next prime is 13004143. The reversal of 13004142 is 24140031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004143) 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, 4408 + ... + 6740.

It is an arithmetic number, because the mean of its divisors is an integer number (1627965).

Almost surely, 2^13004142 is an apocalyptic number.

13004142 is an abundant number, since it is smaller than the sum of its proper divisors (13043298).

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

13004142 is a wasteful number, since it uses less digits than its factorization.

13004142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 13004142 is about 3606.1256217719. The cubic root of 13004142 is about 235.1584385005.

Adding to 13004142 its reverse (24140031), we get a palindrome (37144173).

The spelling of 13004142 in words is "thirteen million, four thousand, one hundred forty-two".