13743530 has 16 divisors (see below), whose sum is σ = 24870024. Its totient is φ = 5468160.

The previous prime is 13743529. The next prime is 13743533. The reversal of 13743530 is 3534731.

It can be written as a sum of positive squares in 4 ways, for example, as 5094049 + 8649481 = 2257^2 + 2941^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13743530.

It is not an unprimeable number, because it can be changed into a prime (13743533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1631 + ... + 5490.

Almost surely, 2^13743530 is an apocalyptic number.

13743530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13743530 is a deficient number, since it is larger than the sum of its proper divisors (11126494).

13743530 is a wasteful number, since it uses less digits than its factorization.

13743530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 13743530 is about 3707.2267262740. The cubic root of 13743530 is about 239.5334106106.

The spelling of 13743530 in words is "thirteen million, seven hundred forty-three thousand, five hundred thirty".