13866461 has 8 divisors (see below), whose sum is σ = 16171200. Its totient is φ = 11885244.

The previous prime is 13866439. The next prime is 13866491. The reversal of 13866461 is 16466831.

It is not a de Polignac number, because 13866461 - 2¹⁸ = 13604317 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 (13866421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19871 + ... + 20556.

It is an arithmetic number, because the mean of its divisors is an integer number (2021400).

Almost surely, 2^13866461 is an apocalyptic number.

It is an amenable number.

13866461 is a deficient number, since it is larger than the sum of its proper divisors (2304739).

13866461 is an frugal number, since it uses more digits than its factorization.

13866461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40448 (or 40434 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 13866461 is about 3723.7697297228. The cubic root of 13866461 is about 240.2454722248.

The spelling of 13866461 in words is "thirteen million, eight hundred sixty-six thousand, four hundred sixty-one".