13873405 has 16 divisors (see below), whose sum is σ = 20490624. Its totient is φ = 8781120.

The previous prime is 13873403. The next prime is 13873421. The reversal of 13873405 is 50437831.

It is not a de Polignac number, because 13873405 - 2¹ = 13873403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13873403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14791 + ... + 15700.

It is an arithmetic number, because the mean of its divisors is an integer number (1280664).

Almost surely, 2^13873405 is an apocalyptic number.

It is an amenable number.

13873405 is a deficient number, since it is larger than the sum of its proper divisors (6617219).

13873405 is a wasteful number, since it uses less digits than its factorization.

13873405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30516.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 13873405 is about 3724.7020015029. The cubic root of 13873405 is about 240.2855686407.

The spelling of 13873405 in words is "thirteen million, eight hundred seventy-three thousand, four hundred five".