13542244 has 12 divisors (see below), whose sum is σ = 24087868. Its totient is φ = 6660000.

The previous prime is 13542229. The next prime is 13542293. The reversal of 13542244 is 44224531.

It is a happy number.

13542244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5062500 + 8479744 = 2250^2 + 2912^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27507 + ... + 27994.

Almost surely, 2^13542244 is an apocalyptic number.

It is an amenable number.

13542244 is a deficient number, since it is larger than the sum of its proper divisors (10545624).

13542244 is a wasteful number, since it uses less digits than its factorization.

13542244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55566 (or 55564 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 13542244 is about 3679.9788042868. The cubic root of 13542244 is about 238.3582627788.

Adding to 13542244 its reverse (44224531), we get a palindrome (57766775).

The spelling of 13542244 in words is "thirteen million, five hundred forty-two thousand, two hundred forty-four".