13481471 has 4 divisors (see below), whose sum is σ = 13578600. Its totient is φ = 13384344.

The previous prime is 13481443. The next prime is 13481477. The reversal of 13481471 is 17418431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17418431 = 127 ⋅137153.

It is a cyclic number.

It is not a de Polignac number, because 13481471 - 2⁶ = 13481407 is a prime.

It is a super-3 number, since 3×13481471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13481477) 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, 48356 + ... + 48633.

It is an arithmetic number, because the mean of its divisors is an integer number (3394650).

Almost surely, 2^13481471 is an apocalyptic number.

13481471 is a deficient number, since it is larger than the sum of its proper divisors (97129).

13481471 is an equidigital number, since it uses as much as digits as its factorization.

13481471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97128.

The product of its digits is 2688, while the sum is 29.

The square root of 13481471 is about 3671.7122708622. The cubic root of 13481471 is about 238.0011710509.

The spelling of 13481471 in words is "thirteen million, four hundred eighty-one thousand, four hundred seventy-one".