13121342 has 8 divisors (see below), whose sum is σ = 21196056. Its totient is φ = 6055992.

The previous prime is 13121341. The next prime is 13121371. The reversal of 13121342 is 24312131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13121342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121341) 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 3 ways as a sum of consecutive naturals, for example, 252308 + ... + 252359.

It is an arithmetic number, because the mean of its divisors is an integer number (2649507).

Almost surely, 2^13121342 is an apocalyptic number.

13121342 is a deficient number, since it is larger than the sum of its proper divisors (8074714).

13121342 is a wasteful number, since it uses less digits than its factorization.

13121342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504682.

The product of its digits is 144, while the sum is 17.

The square root of 13121342 is about 3622.3392994031. The cubic root of 13121342 is about 235.8627829167.

Adding to 13121342 its reverse (24312131), we get a palindrome (37433473).

The spelling of 13121342 in words is "thirteen million, one hundred twenty-one thousand, three hundred forty-two".