13161562 has 8 divisors (see below), whose sum is σ = 19917396. Its totient is φ = 6522432.

The previous prime is 13161527. The next prime is 13161583. The reversal of 13161562 is 26516131.

It can be written as a sum of positive squares in 2 ways, for example, as 12737761 + 423801 = 3569^2 + 651^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28893 + ... + 29344.

Almost surely, 2^13161562 is an apocalyptic number.

13161562 is a deficient number, since it is larger than the sum of its proper divisors (6755834).

13161562 is a wasteful number, since it uses less digits than its factorization.

13161562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58352.

The product of its digits is 1080, while the sum is 25.

The square root of 13161562 is about 3627.8867126745. The cubic root of 13161562 is about 236.1035287418.

Adding to 13161562 its reverse (26516131), we get a palindrome (39677693).

The spelling of 13161562 in words is "thirteen million, one hundred sixty-one thousand, five hundred sixty-two".