13321662 has 8 divisors (see below), whose sum is σ = 26643336. Its totient is φ = 4440552.

The previous prime is 13321639. The next prime is 13321663. The reversal of 13321662 is 26612331.

It is a happy number.

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

13321662 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321663) 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, 1110133 + ... + 1110144.

It is an arithmetic number, because the mean of its divisors is an integer number (3330417).

Almost surely, 2^13321662 is an apocalyptic number.

13321662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13321662 is a wasteful number, since it uses less digits than its factorization.

13321662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220282.

The product of its digits is 1296, while the sum is 24.

The square root of 13321662 is about 3649.8852036742. The cubic root of 13321662 is about 237.0570106222.

Adding to 13321662 its reverse (26612331), we get a palindrome (39933993).

The spelling of 13321662 in words is "thirteen million, three hundred twenty-one thousand, six hundred sixty-two".