13671451 has 4 divisors (see below), whose sum is σ = 14475672. Its totient is φ = 12867232.

The previous prime is 13671443. The next prime is 13671457. The reversal of 13671451 is 15417631.

13671451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13671451 - 2³ = 13671443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13671457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402085 + ... + 402118.

It is an arithmetic number, because the mean of its divisors is an integer number (3618918).

Almost surely, 2^13671451 is an apocalyptic number.

13671451 is a deficient number, since it is larger than the sum of its proper divisors (804221).

13671451 is an equidigital number, since it uses as much as digits as its factorization.

13671451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804220.

The product of its digits is 2520, while the sum is 28.

The square root of 13671451 is about 3697.4925287281. The cubic root of 13671451 is about 239.1139259495.

The spelling of 13671451 in words is "thirteen million, six hundred seventy-one thousand, four hundred fifty-one".