13111244 has 6 divisors (see below), whose sum is σ = 22944684. Its totient is φ = 6555620.

The previous prime is 13111237. The next prime is 13111271. The reversal of 13111244 is 44211131.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1638902 + ... + 1638909.

It is an arithmetic number, because the mean of its divisors is an integer number (3824114).

Almost surely, 2^13111244 is an apocalyptic number.

It is an amenable number.

13111244 is a deficient number, since it is larger than the sum of its proper divisors (9833440).

13111244 is a wasteful number, since it uses less digits than its factorization.

13111244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3277815 (or 3277813 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 13111244 is about 3620.9451804743. The cubic root of 13111244 is about 235.8022618301.

Adding to 13111244 its reverse (44211131), we get a palindrome (57322375).

The spelling of 13111244 in words is "thirteen million, one hundred eleven thousand, two hundred forty-four".