13011344 has 10 divisors (see below), whose sum is σ = 25209510. Its totient is φ = 6505664.

The previous prime is 13011337. The next prime is 13011347. The reversal of 13011344 is 44311031.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 620944 = 3520^2 + 788^2 .

It is not an unprimeable number, because it can be changed into a prime (13011347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406589 + ... + 406620.

It is an arithmetic number, because the mean of its divisors is an integer number (2520951).

Almost surely, 2^13011344 is an apocalyptic number.

It is an amenable number.

13011344 is a deficient number, since it is larger than the sum of its proper divisors (12198166).

13011344 is an equidigital number, since it uses as much as digits as its factorization.

13011344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813217 (or 813211 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13011344 is about 3607.1240621858. The cubic root of 13011344 is about 235.2018425820.

Adding to 13011344 its reverse (44311031), we get a palindrome (57322375).

The spelling of 13011344 in words is "thirteen million, eleven thousand, three hundred forty-four".