13521942 has 36 divisors (see below), whose sum is σ = 34083036. Its totient is φ = 3863160.

The previous prime is 13521941. The next prime is 13521961. The reversal of 13521942 is 24912531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6784 + ... + 8547.

It is an arithmetic number, because the mean of its divisors is an integer number (946751).

Almost surely, 2^13521942 is an apocalyptic number.

13521942 is an abundant number, since it is smaller than the sum of its proper divisors (20561094).

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

13521942 is a wasteful number, since it uses less digits than its factorization.

13521942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15353 (or 15343 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13521942 is about 3677.2193298741. The cubic root of 13521942 is about 238.2390907596.

The spelling of 13521942 in words is "thirteen million, five hundred twenty-one thousand, nine hundred forty-two".