13129430 has 32 divisors (see below), whose sum is σ = 25014528. Its totient is φ = 4953600.

The previous prime is 13129427. The next prime is 13129463. The reversal of 13129430 is 3492131.

13129430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 13129396 and 13129405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12194 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (781704).

Almost surely, 2^13129430 is an apocalyptic number.

13129430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13129430 is a deficient number, since it is larger than the sum of its proper divisors (11885098).

13129430 is a wasteful number, since it uses less digits than its factorization.

13129430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13129430 is about 3623.4555330513. The cubic root of 13129430 is about 235.9112349313.

The spelling of 13129430 in words is "thirteen million, one hundred twenty-nine thousand, four hundred thirty".