13211642 has 8 divisors (see below), whose sum is σ = 20456832. Its totient is φ = 6392700.

The previous prime is 13211641. The next prime is 13211657. The reversal of 13211642 is 24611231.

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 (13211641) 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, 106484 + ... + 106607.

It is an arithmetic number, because the mean of its divisors is an integer number (2557104).

Almost surely, 2^13211642 is an apocalyptic number.

13211642 is a deficient number, since it is larger than the sum of its proper divisors (7245190).

13211642 is a wasteful number, since it uses less digits than its factorization.

13211642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213124.

The product of its digits is 288, while the sum is 20.

The square root of 13211642 is about 3634.7822493239. The cubic root of 13211642 is about 236.4026092361.

Adding to 13211642 its reverse (24611231), we get a palindrome (37822873).

The spelling of 13211642 in words is "thirteen million, two hundred eleven thousand, six hundred forty-two".