12301421 has 16 divisors (see below), whose sum is σ = 14333760. Its totient is φ = 10433280.

The previous prime is 12301409. The next prime is 12301439. The reversal of 12301421 is 12410321.

It is not a de Polignac number, because 12301421 - 2¹⁴ = 12285037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12301396 and 12301405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12301621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29150 + ... + 29568.

It is an arithmetic number, because the mean of its divisors is an integer number (895860).

Almost surely, 2^12301421 is an apocalyptic number.

12301421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12301421 is a deficient number, since it is larger than the sum of its proper divisors (2032339).

12301421 is a wasteful number, since it uses less digits than its factorization.

12301421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12301421 is about 3507.3381644774. The cubic root of 12301421 is about 230.8439129710.

Adding to 12301421 its reverse (12410321), we get a palindrome (24711742).

Subtracting 12301421 from its reverse (12410321), we obtain a square (108900 = 330²).

The spelling of 12301421 in words is "twelve million, three hundred one thousand, four hundred twenty-one".