13671442 has 8 divisors (see below), whose sum is σ = 20843532. Its totient is φ = 6723600.

The previous prime is 13671433. The next prime is 13671443. The reversal of 13671442 is 24417631.

It can be written as a sum of positive squares in 2 ways, for example, as 13623481 + 47961 = 3691^2 + 219^2 .

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 13671442.

It is not an unprimeable number, because it can be changed into a prime (13671443) 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, 55909 + ... + 56152.

Almost surely, 2^13671442 is an apocalyptic number.

13671442 is a deficient number, since it is larger than the sum of its proper divisors (7172090).

13671442 is a wasteful number, since it uses less digits than its factorization.

13671442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112124.

The product of its digits is 4032, while the sum is 28.

The square root of 13671442 is about 3697.4913116869. The cubic root of 13671442 is about 239.1138734795.

It can be divided in two parts, 1367 and 1442, that added together give a square (2809 = 53²).

The spelling of 13671442 in words is "thirteen million, six hundred seventy-one thousand, four hundred forty-two".