13143000 has 128 divisors (see below), whose sum is σ = 44291520. Its totient is φ = 3225600.

The previous prime is 13142981. The next prime is 13143037. The reversal of 13143000 is 34131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38832 + ... + 39168.

Almost surely, 2^13143000 is an apocalyptic number.

13143000 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 13143000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22145760).

13143000 is an abundant number, since it is smaller than the sum of its proper divisors (31148520).

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

13143000 is a wasteful number, since it uses less digits than its factorization.

13143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 13143000 is about 3625.3275714065. The cubic root of 13143000 is about 235.9924827635.

Adding to 13143000 its reverse (34131), we get a palindrome (13177131).

The spelling of 13143000 in words is "thirteen million, one hundred forty-three thousand".