13161560 has 32 divisors (see below), whose sum is σ = 29741040. Its totient is φ = 5241984.

The previous prime is 13161527. The next prime is 13161583. The reversal of 13161560 is 6516131.

It is a happy number.

It is a congruent 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, 11159 + ... + 12281.

Almost surely, 2^13161560 is an apocalyptic number.

13161560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13161560 is an abundant number, since it is smaller than the sum of its proper divisors (16579480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13161560 is a wasteful number, since it uses less digits than its factorization.

13161560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 13161560 is about 3627.8864370319. The cubic root of 13161560 is about 236.1035167825.

Adding to 13161560 its reverse (6516131), we get a palindrome (19677691).

The spelling of 13161560 in words is "thirteen million, one hundred sixty-one thousand, five hundred sixty".