13786845 has 16 divisors (see below), whose sum is σ = 22161600. Its totient is φ = 7318784.

The previous prime is 13786841. The next prime is 13786873. The reversal of 13786845 is 54868731.

It is a cyclic number.

It is not a de Polignac number, because 13786845 - 2² = 13786841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13786797 and 13786806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13786841) 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, 1381 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (1385100).

Almost surely, 2^13786845 is an apocalyptic number.

13786845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13786845 is a deficient number, since it is larger than the sum of its proper divisors (8374755).

13786845 is a wasteful number, since it uses less digits than its factorization.

13786845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284.

The product of its digits is 161280, while the sum is 42.

The square root of 13786845 is about 3713.0640985580. The cubic root of 13786845 is about 239.7847897155.

The spelling of 13786845 in words is "thirteen million, seven hundred eighty-six thousand, eight hundred forty-five".