13703530 has 32 divisors (see below), whose sum is σ = 26341200. Its totient is φ = 5114880.

The previous prime is 13703509. The next prime is 13703531. The reversal of 13703530 is 3530731.

It can be written as a sum of positive squares in 8 ways, for example, as 4272489 + 9431041 = 2067^2 + 3071^2 .

It is not an unprimeable number, because it can be changed into a prime (13703531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25060 + ... + 25600.

Almost surely, 2^13703530 is an apocalyptic number.

13703530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13703530 is a deficient number, since it is larger than the sum of its proper divisors (12637670).

13703530 is a wasteful number, since it uses less digits than its factorization.

13703530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714.

The product of its (nonzero) digits is 945, while the sum is 22.

The square root of 13703530 is about 3701.8279268491. The cubic root of 13703530 is about 239.3008006273.

It can be divided in two parts, 1370 and 3530, that added together give a square (4900 = 70²).

The spelling of 13703530 in words is "thirteen million, seven hundred three thousand, five hundred thirty".