12513451 has 2 divisors, whose sum is σ = 12513452. Its totient is φ = 12513450.

The previous prime is 12513433. The next prime is 12513461. The reversal of 12513451 is 15431521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12513451 - 2⁹ = 12512939 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12513401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256725 + 6256726.

It is an arithmetic number, because the mean of its divisors is an integer number (6256726).

Almost surely, 2^12513451 is an apocalyptic number.

12513451 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513451 is an equidigital number, since it uses as much as digits as its factorization.

12513451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 22.

The square root of 12513451 is about 3537.4356531250. The cubic root of 12513451 is about 232.1626571875.

Adding to 12513451 its reverse (15431521), we get a palindrome (27944972).

The spelling of 12513451 in words is "twelve million, five hundred thirteen thousand, four hundred fifty-one".