13530342 has 32 divisors (see below), whose sum is σ = 31064832. Its totient is φ = 3848544.

The previous prime is 13530329. The next prime is 13530343. The reversal of 13530342 is 24303531.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13530343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11053 + ... + 12215.

It is an arithmetic number, because the mean of its divisors is an integer number (970776).

Almost surely, 2^13530342 is an apocalyptic number.

13530342 is an abundant number, since it is smaller than the sum of its proper divisors (17534490).

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

13530342 is a wasteful number, since it uses less digits than its factorization.

13530342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 13530342 is about 3678.3613199358. The cubic root of 13530342 is about 238.2884129184.

Adding to 13530342 its reverse (24303531), we get a palindrome (37833873).

The spelling of 13530342 in words is "thirteen million, five hundred thirty thousand, three hundred forty-two".