13030421 has 8 divisors (see below), whose sum is σ = 13561344. Its totient is φ = 12510160.

The previous prime is 13030403. The next prime is 13030453. The reversal of 13030421 is 12403031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13030421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13030396 and 13030405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (1695168).

Almost surely, 2^13030421 is an apocalyptic number.

It is an amenable number.

13030421 is a deficient number, since it is larger than the sum of its proper divisors (530923).

13030421 is an equidigital number, since it uses as much as digits as its factorization.

13030421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13030421 is about 3609.7674440329. The cubic root of 13030421 is about 235.3167360279.

Adding to 13030421 its reverse (12403031), we get a palindrome (25433452).

The spelling of 13030421 in words is "thirteen million, thirty thousand, four hundred twenty-one".