13145300 has 72 divisors (see below), whose sum is σ = 33122880. Its totient is φ = 4435200.

The previous prime is 13145299. The next prime is 13145311. The reversal of 13145300 is 354131.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62195 + ... + 62405.

It is an arithmetic number, because the mean of its divisors is an integer number (460040).

Almost surely, 2^13145300 is an apocalyptic number.

13145300 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 13145300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16561440).

13145300 is an abundant number, since it is smaller than the sum of its proper divisors (19977580).

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

13145300 is a wasteful number, since it uses less digits than its factorization.

13145300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13145300 is about 3625.6447702443. The cubic root of 13145300 is about 236.0062480391.

Adding to 13145300 its reverse (354131), we get a palindrome (13499431).

The spelling of 13145300 in words is "thirteen million, one hundred forty-five thousand, three hundred".