13203130 has 16 divisors (see below), whose sum is σ = 23892264. Its totient is φ = 5253120.

The previous prime is 13203103. The next prime is 13203139. The reversal of 13203130 is 3130231.

It can be written as a sum of positive squares in 4 ways, for example, as 10569001 + 2634129 = 3251^2 + 1623^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13203130.

It is not an unprimeable number, because it can be changed into a prime (13203139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1491 + ... + 5350.

Almost surely, 2^13203130 is an apocalyptic number.

13203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13203130 is a deficient number, since it is larger than the sum of its proper divisors (10689134).

13203130 is a wasteful number, since it uses less digits than its factorization.

13203130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7041.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13203130 is about 3633.6111514580. The cubic root of 13203130 is about 236.3518284849.

Adding to 13203130 its reverse (3130231), we get a palindrome (16333361).

The spelling of 13203130 in words is "thirteen million, two hundred three thousand, one hundred thirty".