13301421 has 8 divisors (see below), whose sum is σ = 20268864. Its totient is φ = 7600800.

The previous prime is 13301417. The next prime is 13301447. The reversal of 13301421 is 12410331.

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

It is not a de Polignac number, because 13301421 - 2² = 13301417 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13301421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301221) 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, 316680 + ... + 316721.

It is an arithmetic number, because the mean of its divisors is an integer number (2533608).

Almost surely, 2^13301421 is an apocalyptic number.

It is an amenable number.

13301421 is a deficient number, since it is larger than the sum of its proper divisors (6967443).

13301421 is an equidigital number, since it uses as much as digits as its factorization.

13301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633411.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 13301421 is about 3647.1113226772. Note that the first 3 decimals coincide. The cubic root of 13301421 is about 236.9368878933.

Adding to 13301421 its reverse (12410331), we get a palindrome (25711752).

The spelling of 13301421 in words is "thirteen million, three hundred one thousand, four hundred twenty-one".