13305632 has 12 divisors (see below), whose sum is σ = 26195526. Its totient is φ = 6652800.

The previous prime is 13305601. The next prime is 13305641. The reversal of 13305632 is 23650331.

It can be written as a sum of positive squares in only one way, i.e., 13278736 + 26896 = 3644^2 + 164^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13305598 and 13305607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 207869 + ... + 207932.

Almost surely, 2^13305632 is an apocalyptic number.

It is an amenable number.

13305632 is a deficient number, since it is larger than the sum of its proper divisors (12889894).

13305632 is an equidigital number, since it uses as much as digits as its factorization.

13305632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415811 (or 415803 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 13305632 is about 3647.6885831990. The cubic root of 13305632 is about 236.9618886298.

Adding to 13305632 its reverse (23650331), we get a palindrome (36955963).

The spelling of 13305632 in words is "thirteen million, three hundred five thousand, six hundred thirty-two".