13134436 has 24 divisors (see below), whose sum is σ = 26882240. Its totient is φ = 5497632.

The previous prime is 13134431. The next prime is 13134439. The reversal of 13134436 is 63443131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13134436.

It is not an unprimeable number, because it can be changed into a prime (13134431) 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, 4251 + ... + 6658.

Almost surely, 2^13134436 is an apocalyptic number.

It is an amenable number.

13134436 is an abundant number, since it is smaller than the sum of its proper divisors (13747804).

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

13134436 is a wasteful number, since it uses less digits than its factorization.

13134436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963 (or 10961 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 13134436 is about 3624.1462442898. The cubic root of 13134436 is about 235.9412139322.

Adding to 13134436 its reverse (63443131), we get a palindrome (76577567).

The spelling of 13134436 in words is "thirteen million, one hundred thirty-four thousand, four hundred thirty-six".