13523142 has 8 divisors (see below), whose sum is σ = 27046296. Its totient is φ = 4507712.

The previous prime is 13523129. The next prime is 13523173. The reversal of 13523142 is 24132531.

13523142 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 sphenic number, since it is the product of 3 distinct primes.

13523142 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1126923 + ... + 1126934.

It is an arithmetic number, because the mean of its divisors is an integer number (3380787).

Almost surely, 2^13523142 is an apocalyptic number.

13523142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13523142 is a wasteful number, since it uses less digits than its factorization.

13523142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253862.

The product of its digits is 720, while the sum is 21.

The square root of 13523142 is about 3677.3824930241. The cubic root of 13523142 is about 238.2461380326.

Adding to 13523142 its reverse (24132531), we get a palindrome (37655673).

The spelling of 13523142 in words is "thirteen million, five hundred twenty-three thousand, one hundred forty-two".