13290730 has 8 divisors (see below), whose sum is σ = 23923332. Its totient is φ = 5316288.

The previous prime is 13290713. The next prime is 13290731. The reversal of 13290730 is 3709231.

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 737881 = 3543^2 + 859^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13290695 and 13290704.

It is not an unprimeable number, because it can be changed into a prime (13290731) 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 3 ways as a sum of consecutive naturals, for example, 664527 + ... + 664546.

Almost surely, 2^13290730 is an apocalyptic number.

13290730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13290730 is a deficient number, since it is larger than the sum of its proper divisors (10632602).

13290730 is a wasteful number, since it uses less digits than its factorization.

13290730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329080.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13290730 is about 3645.6453475345. The cubic root of 13290730 is about 236.8733916391.

Adding to 13290730 its reverse (3709231), we get a palindrome (16999961).

The spelling of 13290730 in words is "thirteen million, two hundred ninety thousand, seven hundred thirty".