13831066 has 8 divisors (see below), whose sum is σ = 21188160. Its totient is φ = 6768348.

The previous prime is 13831049. The next prime is 13831067. The reversal of 13831066 is 66013831.

13831066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (13831067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73476 + ... + 73663.

It is an arithmetic number, because the mean of its divisors is an integer number (2648520).

Almost surely, 2^13831066 is an apocalyptic number.

13831066 is a deficient number, since it is larger than the sum of its proper divisors (7357094).

13831066 is a wasteful number, since it uses less digits than its factorization.

13831066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147188.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13831066 is about 3719.0141166712. The cubic root of 13831066 is about 240.0408842386.

Adding to 13831066 its reverse (66013831), we get a palindrome (79844897).

The spelling of 13831066 in words is "thirteen million, eight hundred thirty-one thousand, sixty-six".