13845406 has 8 divisors (see below), whose sum is σ = 21438144. Its totient is φ = 6699360.

The previous prime is 13845397. The next prime is 13845407. The reversal of 13845406 is 60454831.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845407) 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, 111595 + ... + 111718.

It is an arithmetic number, because the mean of its divisors is an integer number (2679768).

Almost surely, 2^13845406 is an apocalyptic number.

13845406 is a deficient number, since it is larger than the sum of its proper divisors (7592738).

13845406 is a wasteful number, since it uses less digits than its factorization.

13845406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223346.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 13845406 is about 3720.9415475119. The cubic root of 13845406 is about 240.1238134298.

The spelling of 13845406 in words is "thirteen million, eight hundred forty-five thousand, four hundred six".