12512513 has 8 divisors (see below), whose sum is σ = 13503168. Its totient is φ = 11525904.

The previous prime is 12512509. The next prime is 12512519. The reversal of 12512513 is 31521521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12512513 - 2² = 12512509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12512519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9620 + ... + 10842.

It is an arithmetic number, because the mean of its divisors is an integer number (1687896).

Almost surely, 2^12512513 is an apocalyptic number.

12512513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12512513 is a deficient number, since it is larger than the sum of its proper divisors (990655).

12512513 is a wasteful number, since it uses less digits than its factorization.

12512513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 300, while the sum is 20.

The square root of 12512513 is about 3537.3030687234. The cubic root of 12512513 is about 232.1568561228.

The spelling of 12512513 in words is "twelve million, five hundred twelve thousand, five hundred thirteen".