12513461 has 2 divisors, whose sum is σ = 12513462. Its totient is φ = 12513460.

The previous prime is 12513451. The next prime is 12513463. The reversal of 12513461 is 16431521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10278436 + 2235025 = 3206^2 + 1495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12513461 is a prime.

Together with 12513463, 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 (12513463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256730 + 6256731.

It is an arithmetic number, because the mean of its divisors is an integer number (6256731).

Almost surely, 2^12513461 is an apocalyptic number.

It is an amenable number.

12513461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513461 is an equidigital number, since it uses as much as digits as its factorization.

12513461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 23.

The square root of 12513461 is about 3537.4370665780. The cubic root of 12513461 is about 232.1627190309.

Adding to 12513461 its reverse (16431521), we get a palindrome (28944982).

The spelling of 12513461 in words is "twelve million, five hundred thirteen thousand, four hundred sixty-one".