13768345 has 8 divisors (see below), whose sum is σ = 16633800. Its totient is φ = 10940160.

The previous prime is 13768343. The next prime is 13768361. The reversal of 13768345 is 54386731.

It can be written as a sum of positive squares in 4 ways, for example, as 1879641 + 11888704 = 1371^2 + 3448^2 .

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

It is not a de Polignac number, because 13768345 - 2¹ = 13768343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13768343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8496 + ... + 9985.

It is an arithmetic number, because the mean of its divisors is an integer number (2079225).

Almost surely, 2^13768345 is an apocalyptic number.

It is an amenable number.

13768345 is a deficient number, since it is larger than the sum of its proper divisors (2865455).

13768345 is a wasteful number, since it uses less digits than its factorization.

13768345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18635.

The product of its digits is 60480, while the sum is 37.

The square root of 13768345 is about 3710.5720583220. The cubic root of 13768345 is about 239.6774892596.

The spelling of 13768345 in words is "thirteen million, seven hundred sixty-eight thousand, three hundred forty-five".