13163432 has 8 divisors (see below), whose sum is σ = 24681450. Its totient is φ = 6581712.

The previous prime is 13163411. The next prime is 13163489. The reversal of 13163432 is 23436131.

13163432 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., 11383876 + 1779556 = 3374^2 + 1334^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13163398 and 13163407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 822707 + ... + 822722.

Almost surely, 2^13163432 is an apocalyptic number.

It is an amenable number.

13163432 is a deficient number, since it is larger than the sum of its proper divisors (11518018).

13163432 is a wasteful number, since it uses less digits than its factorization.

13163432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1645435 (or 1645431 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 13163432 is about 3628.1444293192. The cubic root of 13163432 is about 236.1147101069.

Adding to 13163432 its reverse (23436131), we get a palindrome (36599563).

The spelling of 13163432 in words is "thirteen million, one hundred sixty-three thousand, four hundred thirty-two".