13220007 has 8 divisors (see below), whose sum is σ = 17664000. Its totient is φ = 8794680.

The previous prime is 13220003. The next prime is 13220021. The reversal of 13220007 is 70002231.

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

It is not a de Polignac number, because 13220007 - 2² = 13220003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2919 + ... + 5912.

It is an arithmetic number, because the mean of its divisors is an integer number (2208000).

Almost surely, 2^13220007 is an apocalyptic number.

13220007 is a deficient number, since it is larger than the sum of its proper divisors (4443993).

13220007 is an equidigital number, since it uses as much as digits as its factorization.

13220007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333.

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 13220007 is about 3635.9327551538. The cubic root of 13220007 is about 236.4524917720.

Adding to 13220007 its reverse (70002231), we get a palindrome (83222238).

The spelling of 13220007 in words is "thirteen million, two hundred twenty thousand, seven".