13142441 has 4 divisors (see below), whose sum is σ = 14153412. Its totient is φ = 12131472.

The previous prime is 13142431. The next prime is 13142443. The reversal of 13142441 is 14424131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3625216 + 9517225 = 1904^2 + 3085^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13142441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13142443) 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, 505466 + ... + 505491.

It is an arithmetic number, because the mean of its divisors is an integer number (3538353).

Almost surely, 2^13142441 is an apocalyptic number.

It is an amenable number.

13142441 is a deficient number, since it is larger than the sum of its proper divisors (1010971).

13142441 is a wasteful number, since it uses less digits than its factorization.

13142441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010970.

The product of its digits is 384, while the sum is 20.

The square root of 13142441 is about 3625.2504741052. The cubic root of 13142441 is about 235.9891369605.

Adding to 13142441 its reverse (14424131), we get a palindrome (27566572).

The spelling of 13142441 in words is "thirteen million, one hundred forty-two thousand, four hundred forty-one".