13107844 has 6 divisors (see below), whose sum is σ = 22938734. Its totient is φ = 6553920.

The previous prime is 13107827. The next prime is 13107847. The reversal of 13107844 is 44870131.

It can be written as a sum of positive squares in only one way, i.e., 9535744 + 3572100 = 3088^2 + 1890^2 .

It is not an unprimeable number, because it can be changed into a prime (13107847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638477 + ... + 1638484.

Almost surely, 2^13107844 is an apocalyptic number.

It is an amenable number.

13107844 is a deficient number, since it is larger than the sum of its proper divisors (9830890).

13107844 is a wasteful number, since it uses less digits than its factorization.

13107844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3276965 (or 3276963 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 13107844 is about 3620.4756593575. The cubic root of 13107844 is about 235.7818773671.

Adding to 13107844 its reverse (44870131), we get a palindrome (57977975).

The spelling of 13107844 in words is "thirteen million, one hundred seven thousand, eight hundred forty-four".