13142851 has 4 divisors (see below), whose sum is σ = 13834600. Its totient is φ = 12451104.

The previous prime is 13142839. The next prime is 13142861. The reversal of 13142851 is 15824131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13142851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13142861) 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, 345846 + ... + 345883.

It is an arithmetic number, because the mean of its divisors is an integer number (3458650).

Almost surely, 2^13142851 is an apocalyptic number.

13142851 is a deficient number, since it is larger than the sum of its proper divisors (691749).

13142851 is an equidigital number, since it uses as much as digits as its factorization.

13142851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691748.

The product of its digits is 960, while the sum is 25.

The square root of 13142851 is about 3625.3070214811. The cubic root of 13142851 is about 235.9915909577.

Adding to 13142851 its reverse (15824131), we get a palindrome (28966982).

The spelling of 13142851 in words is "thirteen million, one hundred forty-two thousand, eight hundred fifty-one".