13021421401 has 8 divisors (see below), whose sum is σ = 13314279680. Its totient is φ = 12731764032.

The previous prime is 13021421351. The next prime is 13021421417. The reversal of 13021421401 is 10412412031.

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

It is a cyclic number.

It is not a de Polignac number, because 13021421401 - 2²¹ = 13019324249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13025421401) 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, 792000 + ... + 808273.

It is an arithmetic number, because the mean of its divisors is an integer number (1664284960).

Almost surely, 2^13021421401 is an apocalyptic number.

It is an amenable number.

13021421401 is a deficient number, since it is larger than the sum of its proper divisors (292858279).

13021421401 is a wasteful number, since it uses less digits than its factorization.

13021421401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600455.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 13021421401 its reverse (10412412031), we get a palindrome (23433833432).

The spelling of 13021421401 in words is "thirteen billion, twenty-one million, four hundred twenty-one thousand, four hundred one".