13332021 has 8 divisors (see below), whose sum is σ = 18189600. Its totient is φ = 8681232.

The previous prime is 13332017. The next prime is 13332023. The reversal of 13332021 is 12023331.

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

It is not a de Polignac number, because 13332021 - 2² = 13332017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13332023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51546 + ... + 51803.

It is an arithmetic number, because the mean of its divisors is an integer number (2273700).

Almost surely, 2^13332021 is an apocalyptic number.

It is an amenable number.

13332021 is a deficient number, since it is larger than the sum of its proper divisors (4857579).

13332021 is a wasteful number, since it uses less digits than its factorization.

13332021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103395.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13332021 is about 3651.3040136368. The cubic root of 13332021 is about 237.1184403280.

Adding to 13332021 its reverse (12023331), we get a palindrome (25355352).

The spelling of 13332021 in words is "thirteen million, three hundred thirty-two thousand, twenty-one".