13671443 has 2 divisors, whose sum is σ = 13671444. Its totient is φ = 13671442.

The previous prime is 13671433. The next prime is 13671457. The reversal of 13671443 is 34417631.

It is a weak prime.

It is an emirp because it is prime and its reverse (34417631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13671443 - 2¹² = 13667347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13671433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6835721 + 6835722.

It is an arithmetic number, because the mean of its divisors is an integer number (6835722).

Almost surely, 2^13671443 is an apocalyptic number.

13671443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13671443 is an equidigital number, since it uses as much as digits as its factorization.

13671443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 13671443 is about 3697.4914469137. The cubic root of 13671443 is about 239.1138793095.

The spelling of 13671443 in words is "thirteen million, six hundred seventy-one thousand, four hundred forty-three".