13423671 has 32 divisors (see below), whose sum is σ = 21196800. Its totient is φ = 8372160.

The previous prime is 13423667. The next prime is 13423679. The reversal of 13423671 is 17632431.

It is not a de Polignac number, because 13423671 - 2² = 13423667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70186 + ... + 70376.

It is an arithmetic number, because the mean of its divisors is an integer number (662400).

Almost surely, 2^13423671 is an apocalyptic number.

13423671 is a deficient number, since it is larger than the sum of its proper divisors (7773129).

13423671 is a wasteful number, since it uses less digits than its factorization.

13423671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 350 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 13423671 is about 3663.8328291558. The cubic root of 13423671 is about 237.6605510914.

The spelling of 13423671 in words is "thirteen million, four hundred twenty-three thousand, six hundred seventy-one".