13875471 has 12 divisors (see below), whose sum is σ = 20119840. Its totient is φ = 9214560.

The previous prime is 13875469. The next prime is 13875493. The reversal of 13875471 is 17457831.

It is not a de Polignac number, because 13875471 - 2¹ = 13875469 is a prime.

It is a super-3 number, since 3×13875471³ (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 (13875401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 406 + ... + 5283.

Almost surely, 2^13875471 is an apocalyptic number.

13875471 is a deficient number, since it is larger than the sum of its proper divisors (6244369).

13875471 is a wasteful number, since it uses less digits than its factorization.

13875471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966 (or 5963 counting only the distinct ones).

The product of its digits is 23520, while the sum is 36.

The square root of 13875471 is about 3724.9793288017. The cubic root of 13875471 is about 240.2974956657.

The spelling of 13875471 in words is "thirteen million, eight hundred seventy-five thousand, four hundred seventy-one".