13440271 has 4 divisors (see below), whose sum is σ = 14474152. Its totient is φ = 12406392.

The previous prime is 13440269. The next prime is 13440281. The reversal of 13440271 is 17204431.

13440271 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 13440271 - 2¹ = 13440269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516921 + ... + 516946.

It is an arithmetic number, because the mean of its divisors is an integer number (3618538).

Almost surely, 2^13440271 is an apocalyptic number.

13440271 is a deficient number, since it is larger than the sum of its proper divisors (1033881).

13440271 is a wasteful number, since it uses less digits than its factorization.

13440271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033880.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13440271 is about 3666.0975164335. The cubic root of 13440271 is about 237.7584761185.

The spelling of 13440271 in words is "thirteen million, four hundred forty thousand, two hundred seventy-one".