13144560 has 160 divisors (see below), whose sum is σ = 47996928. Its totient is φ = 2933760.

The previous prime is 13144543. The next prime is 13144577. The reversal of 13144560 is 6544131.

It is an interprime number because it is at equal distance from previous prime (13144543) and next prime (13144577).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 13144560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34129 + ... + 34511.

Almost surely, 2^13144560 is an apocalyptic number.

13144560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13144560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23998464).

13144560 is an abundant number, since it is smaller than the sum of its proper divisors (34852368).

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

13144560 is a wasteful number, since it uses less digits than its factorization.

13144560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13144560 is about 3625.5427179941. The cubic root of 13144560 is about 236.0018193865.

Adding to 13144560 its reverse (6544131), we get a palindrome (19688691).

The spelling of 13144560 in words is "thirteen million, one hundred forty-four thousand, five hundred sixty".