13042036 has 18 divisors (see below), whose sum is σ = 26550258. Its totient is φ = 5589360.

The previous prime is 13042033. The next prime is 13042069. The reversal of 13042036 is 63024031.

It can be written as a sum of positive squares in only one way, i.e., 12645136 + 396900 = 3556^2 + 630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33075 + ... + 33466.

Almost surely, 2^13042036 is an apocalyptic number.

It is an amenable number.

13042036 is an abundant number, since it is smaller than the sum of its proper divisors (13508222).

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

13042036 is a wasteful number, since it uses less digits than its factorization.

13042036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66559 (or 66550 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13042036 is about 3611.3759150772. The cubic root of 13042036 is about 235.3866337998.

Adding to 13042036 its reverse (63024031), we get a palindrome (76066067).

The spelling of 13042036 in words is "thirteen million, forty-two thousand, thirty-six".