13275744 has 24 divisors (see below), whose sum is σ = 34849080. Its totient is φ = 4425216.

The previous prime is 13275739. The next prime is 13275749. The reversal of 13275744 is 44757231.

It is an interprime number because it is at equal distance from previous prime (13275739) and next prime (13275749).

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13275749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69049 + ... + 69240.

It is an arithmetic number, because the mean of its divisors is an integer number (1452045).

Almost surely, 2^13275744 is an apocalyptic number.

It is an amenable number.

13275744 is an abundant number, since it is smaller than the sum of its proper divisors (21573336).

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

13275744 is a wasteful number, since it uses less digits than its factorization.

13275744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138302 (or 138294 counting only the distinct ones).

The product of its digits is 23520, while the sum is 33.

The square root of 13275744 is about 3643.5894390011. The cubic root of 13275744 is about 236.7843290701.

The spelling of 13275744 in words is "thirteen million, two hundred seventy-five thousand, seven hundred forty-four".