13032730 has 16 divisors (see below), whose sum is σ = 23514624. Its totient is φ = 5200720.

The previous prime is 13032713. The next prime is 13032731. The reversal of 13032730 is 3723031.

It is a junction number, because it is equal to n+sod(n) for n = 13032698 and 13032707.

It is not an unprimeable number, because it can be changed into a prime (13032731) 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, 3735 + ... + 6325.

It is an arithmetic number, because the mean of its divisors is an integer number (1469664).

Almost surely, 2^13032730 is an apocalyptic number.

13032730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13032730 is a deficient number, since it is larger than the sum of its proper divisors (10481894).

13032730 is a wasteful number, since it uses less digits than its factorization.

13032730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3101.

The product of its (nonzero) digits is 378, while the sum is 19.

The square root of 13032730 is about 3610.0872565632. The cubic root of 13032730 is about 235.3306346387.

Adding to 13032730 its reverse (3723031), we get a palindrome (16755761).

The spelling of 13032730 in words is "thirteen million, thirty-two thousand, seven hundred thirty".