13129330 has 16 divisors (see below), whose sum is σ = 23718744. Its totient is φ = 5232640.

The previous prime is 13129313. The next prime is 13129331. The reversal of 13129330 is 3392131.

It can be written as a sum of positive squares in 4 ways, for example, as 13111641 + 17689 = 3621^2 + 133^2 .

It is not an unprimeable number, because it can be changed into a prime (13129331) 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 7 ways as a sum of consecutive naturals, for example, 690 + ... + 5170.

Almost surely, 2^13129330 is an apocalyptic number.

13129330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13129330 is a deficient number, since it is larger than the sum of its proper divisors (10589414).

13129330 is a wasteful number, since it uses less digits than its factorization.

13129330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4781.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 13129330 is about 3623.4417340424. The cubic root of 13129330 is about 235.9106359923.

The spelling of 13129330 in words is "thirteen million, one hundred twenty-nine thousand, three hundred thirty".