4121213 has 2 divisors, whose sum is σ = 4121214. Its totient is φ = 4121212.

The previous prime is 4121203. The next prime is 4121231. The reversal of 4121213 is 3121214.

Together with next prime (4121231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3892729 + 228484 = 1973^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 4121213 - 2⁶ = 4121149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4121203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2060606 + 2060607.

It is an arithmetic number, because the mean of its divisors is an integer number (2060607).

Almost surely, 2^4121213 is an apocalyptic number.

It is an amenable number.

4121213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4121213 is an equidigital number, since it uses as much as digits as its factorization.

4121213 is an odious number, because the sum of its binary digits is odd.

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

The square root of 4121213 is about 2030.0770921322. The cubic root of 4121213 is about 160.3276229579.

Adding to 4121213 its reverse (3121214), we get a palindrome (7242427).

Subtracting from 4121213 its reverse (3121214), we obtain a palindrome (999999).

It can be divided in two parts, 4121 and 213, that added together give a palindrome (4334).

The spelling of 4121213 in words is "four million, one hundred twenty-one thousand, two hundred thirteen".