12938461 has 2 divisors, whose sum is σ = 12938462. Its totient is φ = 12938460.

The previous prime is 12938389. The next prime is 12938467. The reversal of 12938461 is 16483921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10850436 + 2088025 = 3294^2 + 1445^2 .

It is a cyclic number.

It is not a de Polignac number, because 12938461 - 2⁹ = 12937949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12938467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6469230 + 6469231.

It is an arithmetic number, because the mean of its divisors is an integer number (6469231).

Almost surely, 2^12938461 is an apocalyptic number.

It is an amenable number.

12938461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12938461 is an equidigital number, since it uses as much as digits as its factorization.

12938461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 34.

The square root of 12938461 is about 3597.0072282385. The cubic root of 12938461 is about 234.7618592560.

The spelling of 12938461 in words is "twelve million, nine hundred thirty-eight thousand, four hundred sixty-one".