13244665 has 16 divisors (see below), whose sum is σ = 18955008. Its totient is φ = 8686656.

The previous prime is 13244641. The next prime is 13244669. The reversal of 13244665 is 56644231.

13244665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13244665 - 2⁵ = 13244633 is a prime.

It is a super-3 number, since 3×13244665³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13244669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7422 + ... + 9031.

It is an arithmetic number, because the mean of its divisors is an integer number (1184688).

Almost surely, 2^13244665 is an apocalyptic number.

It is an amenable number.

13244665 is a deficient number, since it is larger than the sum of its proper divisors (5710343).

13244665 is a wasteful number, since it uses less digits than its factorization.

13244665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16488.

The product of its digits is 17280, while the sum is 31.

The square root of 13244665 is about 3639.3220522509. The cubic root of 13244665 is about 236.5994111169.

Adding to 13244665 its reverse (56644231), we get a palindrome (69888896).

The spelling of 13244665 in words is "thirteen million, two hundred forty-four thousand, six hundred sixty-five".