13145850 has 72 divisors (see below), whose sum is σ = 35747712. Its totient is φ = 3463200.

The previous prime is 13145843. The next prime is 13145887. The reversal of 13145850 is 5854131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58839 + ... + 59061.

It is an arithmetic number, because the mean of its divisors is an integer number (496496).

Almost surely, 2^13145850 is an apocalyptic number.

13145850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13145850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17873856).

13145850 is an abundant number, since it is smaller than the sum of its proper divisors (22601862).

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

13145850 is a wasteful number, since it uses less digits than its factorization.

13145850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 13145850 is about 3625.7206180289. The cubic root of 13145850 is about 236.0095394976.

Adding to 13145850 its reverse (5854131), we get a palindrome (18999981).

The spelling of 13145850 in words is "thirteen million, one hundred forty-five thousand, eight hundred fifty".