13460421 has 8 divisors (see below), whose sum is σ = 19327840. Its totient is φ = 8283312.

The previous prime is 13460411. The next prime is 13460429. The reversal of 13460421 is 12406431.

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

It is not a de Polignac number, because 13460421 - 2⁵ = 13460389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13460429) 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, 172531 + ... + 172608.

It is an arithmetic number, because the mean of its divisors is an integer number (2415980).

Almost surely, 2^13460421 is an apocalyptic number.

It is an amenable number.

13460421 is a deficient number, since it is larger than the sum of its proper divisors (5867419).

13460421 is a wasteful number, since it uses less digits than its factorization.

13460421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345155.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 13460421 is about 3668.8446410280. The cubic root of 13460421 is about 237.8772346640.

Adding to 13460421 its reverse (12406431), we get a palindrome (25866852).

The spelling of 13460421 in words is "thirteen million, four hundred sixty thousand, four hundred twenty-one".