13867461 has 24 divisors (see below), whose sum is σ = 21354840. Its totient is φ = 8641536.

The previous prime is 13867439. The next prime is 13867493. The reversal of 13867461 is 16476831.

13867461 is a `hidden beast` number, since 138 + 67 + 461 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 13068225 = 894^2 + 3615^2 .

It is not a de Polignac number, because 13867461 - 2⁵ = 13867429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13867361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35455 + ... + 35843.

It is an arithmetic number, because the mean of its divisors is an integer number (889785).

Almost surely, 2^13867461 is an apocalyptic number.

It is an amenable number.

13867461 is a deficient number, since it is larger than the sum of its proper divisors (7487379).

13867461 is a wasteful number, since it uses less digits than its factorization.

13867461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645 (or 642 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 13867461 is about 3723.9039998367. The cubic root of 13867461 is about 240.2512473032.

The spelling of 13867461 in words is "thirteen million, eight hundred sixty-seven thousand, four hundred sixty-one".