13331506 has 8 divisors (see below), whose sum is σ = 20014704. Its totient is φ = 6659940.

The previous prime is 13331501. The next prime is 13331509. The reversal of 13331506 is 60513331.

13331506 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 (13331501) 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, 1021 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (2501838).

Almost surely, 2^13331506 is an apocalyptic number.

13331506 is a deficient number, since it is larger than the sum of its proper divisors (6683198).

13331506 is a wasteful number, since it uses less digits than its factorization.

13331506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 13331506 is about 3651.2334902057. The cubic root of 13331506 is about 237.1153870883.

Adding to 13331506 its reverse (60513331), we get a palindrome (73844837).

The spelling of 13331506 in words is "thirteen million, three hundred thirty-one thousand, five hundred six".