13271449 has 3 divisors (see below), whose sum is σ = 13275093. Its totient is φ = 13267806.

The previous prime is 13271429. The next prime is 13271459. The reversal of 13271449 is 94417231.

The square root of 13271449 is 3643.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 13271449 - 2¹⁵ = 13238681 is a prime.

It is a super-2 number, since 2×13271449² = 352262717119202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13271449.

It is not an unprimeable number, because it can be changed into a prime (13271429) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1822 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (4425031).

Almost surely, 2^13271449 is an apocalyptic number.

13271449 is the 3643-rd square number.

13271449 is the 1822-nd centered octagonal number.

It is an amenable number.

13271449 is a deficient number, since it is larger than the sum of its proper divisors (3644).

13271449 is an frugal number, since it uses more digits than its factorization.

13271449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286 (or 3643 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The cubic root of 13271449 is about 236.7587913077.

The spelling of 13271449 in words is "thirteen million, two hundred seventy-one thousand, four hundred forty-nine".