13042930 has 24 divisors (see below), whose sum is σ = 24784812. Its totient is φ = 4941216.

The previous prime is 13042919. The next prime is 13042933. The reversal of 13042930 is 3924031.

It can be written as a sum of positive squares in 2 ways, for example, as 10556001 + 2486929 = 3249^2 + 1577^2 .

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (13042933) 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 11 ways as a sum of consecutive naturals, for example, 1804 + ... + 5416.

Almost surely, 2^13042930 is an apocalyptic number.

13042930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13042930 is a deficient number, since it is larger than the sum of its proper divisors (11741882).

13042930 is a wasteful number, since it uses less digits than its factorization.

13042930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3658 (or 3639 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 13042930 is about 3611.4996884951. The cubic root of 13042930 is about 235.3920120716.

Adding to 13042930 its reverse (3924031), we get a palindrome (16966961).

The spelling of 13042930 in words is "thirteen million, forty-two thousand, nine hundred thirty".