13051671 has 4 divisors (see below), whose sum is σ = 17402232. Its totient is φ = 8701112.

The previous prime is 13051657. The next prime is 13051679. The reversal of 13051671 is 17615031.

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

It is a cyclic number.

It is not a de Polignac number, because 13051671 - 2¹³ = 13043479 is a prime.

It is a super-2 number, since 2×13051671² = 340692231784482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13051679) 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 3 ways as a sum of consecutive naturals, for example, 2175276 + ... + 2175281.

It is an arithmetic number, because the mean of its divisors is an integer number (4350558).

Almost surely, 2^13051671 is an apocalyptic number.

13051671 is a deficient number, since it is larger than the sum of its proper divisors (4350561).

13051671 is an equidigital number, since it uses as much as digits as its factorization.

13051671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4350560.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 13051671 is about 3612.7096478959. The cubic root of 13051671 is about 235.4445846686. Note that the first 3 decimals are identical.

The spelling of 13051671 in words is "thirteen million, fifty-one thousand, six hundred seventy-one".