13144460 has 24 divisors (see below), whose sum is σ = 31547040. Its totient is φ = 4506624.

The previous prime is 13144459. The next prime is 13144487. The reversal of 13144460 is 6444131.

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, 46805 + ... + 47084.

It is an arithmetic number, because the mean of its divisors is an integer number (1314460).

Almost surely, 2^13144460 is an apocalyptic number.

13144460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144460 is an abundant number, since it is smaller than the sum of its proper divisors (18402580).

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

13144460 is a wasteful number, since it uses less digits than its factorization.

13144460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93905 (or 93903 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 13144460 is about 3625.5289269291. The cubic root of 13144460 is about 236.0012209072.

Adding to 13144460 its reverse (6444131), we get a palindrome (19588591).

The spelling of 13144460 in words is "thirteen million, one hundred forty-four thousand, four hundred sixty".