13421142 has 48 divisors (see below), whose sum is σ = 34388640. Its totient is φ = 3701376.

The previous prime is 13421141. The next prime is 13421173. The reversal of 13421142 is 24112431.

13421142 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 (13421141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1818 + ... + 5490.

It is an arithmetic number, because the mean of its divisors is an integer number (716430).

Almost surely, 2^13421142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13421142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17194320).

13421142 is an abundant number, since it is smaller than the sum of its proper divisors (20967498).

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

13421142 is a wasteful number, since it uses less digits than its factorization.

13421142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3717 (or 3714 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 13421142 is about 3663.4876825233. The cubic root of 13421142 is about 237.6456251872.

Adding to 13421142 its reverse (24112431), we get a palindrome (37533573).

The spelling of 13421142 in words is "thirteen million, four hundred twenty-one thousand, one hundred forty-two".