3012421 has 2 divisors, whose sum is σ = 3012422. Its totient is φ = 3012420.

The previous prime is 3012419. The next prime is 3012437. The reversal of 3012421 is 1242103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2515396 + 497025 = 1586^2 + 705^2 .

It is an emirp because it is prime and its reverse (1242103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3012421 - 2¹ = 3012419 is a prime.

Together with 3012419, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3012461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1506210 + 1506211.

It is an arithmetic number, because the mean of its divisors is an integer number (1506211).

Almost surely, 2^3012421 is an apocalyptic number.

It is an amenable number.

3012421 is a deficient number, since it is larger than the sum of its proper divisors (1).

3012421 is an equidigital number, since it uses as much as digits as its factorization.

3012421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 3012421 is about 1735.6327376493. The cubic root of 3012421 is about 144.4237294203.

Adding to 3012421 its reverse (1242103), we get a palindrome (4254524).

The spelling of 3012421 in words is "three million, twelve thousand, four hundred twenty-one".