13144120 has 32 divisors (see below), whose sum is σ = 32263920. Its totient is φ = 4779520.

The previous prime is 13144091. The next prime is 13144123. The reversal of 13144120 is 2144131.

It is a junction number, because it is equal to n+sod(n) for n = 13144094 and 13144103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14497 + ... + 15376.

Almost surely, 2^13144120 is an apocalyptic number.

13144120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144120 is an abundant number, since it is smaller than the sum of its proper divisors (19119800).

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

13144120 is a wasteful number, since it uses less digits than its factorization.

13144120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29895 (or 29891 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 13144120 is about 3625.4820369159. The cubic root of 13144120 is about 235.9991860548. Note that the first 3 decimals are identical.

Adding to 13144120 its reverse (2144131), we get a palindrome (15288251).

The spelling of 13144120 in words is "thirteen million, one hundred forty-four thousand, one hundred twenty".