13142250 has 160 divisors (see below), whose sum is σ = 40772160. Its totient is φ = 3132000.

The previous prime is 13142231. The next prime is 13142279. The reversal of 13142250 is 5224131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 222721 + ... + 222779.

It is an arithmetic number, because the mean of its divisors is an integer number (254826).

Almost surely, 2^13142250 is an apocalyptic number.

13142250 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 13142250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20386080).

13142250 is an abundant number, since it is smaller than the sum of its proper divisors (27629910).

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

13142250 is a wasteful number, since it uses less digits than its factorization.

13142250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13142250 is about 3625.2241310021. The cubic root of 13142250 is about 235.9879937395.

Adding to 13142250 its reverse (5224131), we get a palindrome (18366381).

The spelling of 13142250 in words is "thirteen million, one hundred forty-two thousand, two hundred fifty".