13534444 has 24 divisors (see below), whose sum is σ = 29530368. Its totient is φ = 5273040.

The previous prime is 13534439. The next prime is 13534447. The reversal of 13534444 is 44443531.

13534444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (13534447) 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, 21664 + ... + 22279.

It is an arithmetic number, because the mean of its divisors is an integer number (1230432).

Almost surely, 2^13534444 is an apocalyptic number.

13534444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13534444 is an abundant number, since it is smaller than the sum of its proper divisors (15995924).

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

13534444 is a wasteful number, since it uses less digits than its factorization.

13534444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43965 (or 43963 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 13534444 is about 3678.9188629270. The cubic root of 13534444 is about 238.3124911545.

Adding to 13534444 its reverse (44443531), we get a palindrome (57977975).

The spelling of 13534444 in words is "thirteen million, five hundred thirty-four thousand, four hundred forty-four".