13552730 has 16 divisors (see below), whose sum is σ = 25054920. Its totient is φ = 5274432.

The previous prime is 13552691. The next prime is 13552739. The reversal of 13552730 is 3725531.

It can be written as a sum of positive squares in 4 ways, for example, as 13535041 + 17689 = 3679^2 + 133^2 .

It is a Curzon number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 13552730.

It is not an unprimeable number, because it can be changed into a prime (13552739) 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, 17945 + ... + 18684.

Almost surely, 2^13552730 is an apocalyptic number.

13552730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13552730 is a deficient number, since it is larger than the sum of its proper divisors (11502190).

13552730 is a wasteful number, since it uses less digits than its factorization.

13552730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36673.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 13552730 is about 3681.4032650608. The cubic root of 13552730 is about 238.4197685850.

The spelling of 13552730 in words is "thirteen million, five hundred fifty-two thousand, seven hundred thirty".