13182305 has 8 divisors (see below), whose sum is σ = 15845544. Its totient is φ = 10528000.

The previous prime is 13182287. The next prime is 13182329. The reversal of 13182305 is 50328131.

It can be written as a sum of positive squares in 4 ways, for example, as 2999824 + 10182481 = 1732^2 + 3191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13182305 - 2¹⁴ = 13165921 is a prime.

It is a super-2 number, since 2×13182305² = 347546330226050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1625 + ... + 5385.

It is an arithmetic number, because the mean of its divisors is an integer number (1980693).

Almost surely, 2^13182305 is an apocalyptic number.

It is an amenable number.

13182305 is a deficient number, since it is larger than the sum of its proper divisors (2663239).

13182305 is an equidigital number, since it uses as much as digits as its factorization.

13182305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13182305 is about 3630.7444140286. The cubic root of 13182305 is about 236.2274989535.

The spelling of 13182305 in words is "thirteen million, one hundred eighty-two thousand, three hundred five".