13244805 has 48 divisors (see below), whose sum is σ = 27630720. Its totient is φ = 5733504.

The previous prime is 13244801. The next prime is 13244807. The reversal of 13244805 is 50844231.

It is not a de Polignac number, because 13244805 - 2² = 13244801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244801) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4879 + ... + 7091.

It is an arithmetic number, because the mean of its divisors is an integer number (575640).

Almost surely, 2^13244805 is an apocalyptic number.

13244805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13244805 is an abundant number, since it is smaller than the sum of its proper divisors (14385915).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13244805 is a wasteful number, since it uses less digits than its factorization.

13244805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2250 (or 2247 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 13244805 is about 3639.3412865517. The cubic root of 13244805 is about 236.6002447557.

The spelling of 13244805 in words is "thirteen million, two hundred forty-four thousand, eight hundred five".