13143242 has 8 divisors (see below), whose sum is σ = 22531296. Its totient is φ = 5632812.

The previous prime is 13143241. The next prime is 13143257. The reversal of 13143242 is 24234131.

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

It is not an unprimeable number, because it can be changed into a prime (13143241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469388 + ... + 469415.

It is an arithmetic number, because the mean of its divisors is an integer number (2816412).

Almost surely, 2^13143242 is an apocalyptic number.

13143242 is a deficient number, since it is larger than the sum of its proper divisors (9388054).

13143242 is an equidigital number, since it uses as much as digits as its factorization.

13143242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938812.

The product of its digits is 576, while the sum is 20.

The square root of 13143242 is about 3625.3609475472. The cubic root of 13143242 is about 235.9939311855.

Adding to 13143242 its reverse (24234131), we get a palindrome (37377373).

The spelling of 13143242 in words is "thirteen million, one hundred forty-three thousand, two hundred forty-two".