13250142 has 40 divisors (see below), whose sum is σ = 30056400. Its totient is φ = 4362336.

The previous prime is 13250141. The next prime is 13250143. The reversal of 13250142 is 24105231.

It is an interprime number because it is at equal distance from previous prime (13250141) and next prime (13250143).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13250141) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 13959 + ... + 14877.

It is an arithmetic number, because the mean of its divisors is an integer number (751410).

Almost surely, 2^13250142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13250142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15028200).

13250142 is an abundant number, since it is smaller than the sum of its proper divisors (16806258).

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

13250142 is an equidigital number, since it uses as much as digits as its factorization.

13250142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022 (or 1013 counting only the distinct ones).

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

The square root of 13250142 is about 3640.0744497881. The cubic root of 13250142 is about 236.6320198791.

Adding to 13250142 its reverse (24105231), we get a palindrome (37355373).

The spelling of 13250142 in words is "thirteen million, two hundred fifty thousand, one hundred forty-two".