13430432 has 12 divisors (see below), whose sum is σ = 26441226. Its totient is φ = 6715200.

The previous prime is 13430429. The next prime is 13430437. The reversal of 13430432 is 23403431.

13430432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 3671056 = 3124^2 + 1916^2 .

It is not an unprimeable number, because it can be changed into a prime (13430437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209819 + ... + 209882.

Almost surely, 2^13430432 is an apocalyptic number.

It is an amenable number.

13430432 is a deficient number, since it is larger than the sum of its proper divisors (13010794).

13430432 is an equidigital number, since it uses as much as digits as its factorization.

13430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419711 (or 419703 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 13430432 is about 3664.7553806496. The cubic root of 13430432 is about 237.7004446321.

Adding to 13430432 its reverse (23403431), we get a palindrome (36833863).

The spelling of 13430432 in words is "thirteen million, four hundred thirty thousand, four hundred thirty-two".