13271845 has 8 divisors (see below), whose sum is σ = 15998976. Its totient is φ = 10568976.

The previous prime is 13271833. The next prime is 13271887. The reversal of 13271845 is 54817231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13271845 - 2¹⁷ = 13140773 is a prime.

It is a super-2 number, since 2×13271845² = 352283739408050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4837 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (1999872).

Almost surely, 2^13271845 is an apocalyptic number.

It is an amenable number.

13271845 is a deficient number, since it is larger than the sum of its proper divisors (2727131).

13271845 is a wasteful number, since it uses less digits than its factorization.

13271845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its digits is 6720, while the sum is 31.

The square root of 13271845 is about 3643.0543504043. The cubic root of 13271845 is about 236.7611461259.

The spelling of 13271845 in words is "thirteen million, two hundred seventy-one thousand, eight hundred forty-five".