13036404 has 24 divisors (see below), whose sum is σ = 30935520. Its totient is φ = 4271584.

The previous prime is 13036379. The next prime is 13036409. The reversal of 13036404 is 40463031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13036409) 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, 8499 + ... + 9914.

It is an arithmetic number, because the mean of its divisors is an integer number (1288980).

Almost surely, 2^13036404 is an apocalyptic number.

It is an amenable number.

13036404 is an abundant number, since it is smaller than the sum of its proper divisors (17899116).

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

13036404 is a wasteful number, since it uses less digits than its factorization.

13036404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18479 (or 18477 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 13036404 is about 3610.5960726728. The cubic root of 13036404 is about 235.3527462383.

Adding to 13036404 its reverse (40463031), we get a palindrome (53499435).

The spelling of 13036404 in words is "thirteen million, thirty-six thousand, four hundred four".