13867406 has 8 divisors (see below), whose sum is σ = 23772720. Its totient is φ = 5943168.

The previous prime is 13867379. The next prime is 13867409. The reversal of 13867406 is 60476831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13867409) 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 3 ways as a sum of consecutive naturals, for example, 495251 + ... + 495278.

It is an arithmetic number, because the mean of its divisors is an integer number (2971590).

Almost surely, 2^13867406 is an apocalyptic number.

13867406 is a deficient number, since it is larger than the sum of its proper divisors (9905314).

13867406 is an equidigital number, since it uses as much as digits as its factorization.

13867406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990538.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 13867406 is about 3723.8966151063. The cubic root of 13867406 is about 240.2509296811.

The spelling of 13867406 in words is "thirteen million, eight hundred sixty-seven thousand, four hundred six".