13806045 has 48 divisors (see below), whose sum is σ = 27099072. Its totient is φ = 6687360.

The previous prime is 13806019. The next prime is 13806047. The reversal of 13806045 is 54060831.

It is not a de Polignac number, because 13806045 - 2²³ = 5417437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806047) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12849 + ... + 13881.

It is an arithmetic number, because the mean of its divisors is an integer number (564564).

Almost surely, 2^13806045 is an apocalyptic number.

13806045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13806045 is a deficient number, since it is larger than the sum of its proper divisors (13293027).

13806045 is a wasteful number, since it uses less digits than its factorization.

13806045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1052 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 13806045 is about 3715.6486647690. The cubic root of 13806045 is about 239.8960487321.

Adding to 13806045 its reverse (54060831), we get a palindrome (67866876).

The spelling of 13806045 in words is "thirteen million, eight hundred six thousand, forty-five".