12948517 has 4 divisors (see below), whose sum is σ = 13511520. Its totient is φ = 12385516.

The previous prime is 12948493. The next prime is 12948527. The reversal of 12948517 is 71584921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12948517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12948527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281467 + ... + 281512.

It is an arithmetic number, because the mean of its divisors is an integer number (3377880).

Almost surely, 2^12948517 is an apocalyptic number.

It is an amenable number.

12948517 is a deficient number, since it is larger than the sum of its proper divisors (563003).

12948517 is an equidigital number, since it uses as much as digits as its factorization.

12948517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563002.

The product of its digits is 20160, while the sum is 37.

The square root of 12948517 is about 3598.4047854570. The cubic root of 12948517 is about 234.8226638579.

The spelling of 12948517 in words is "twelve million, nine hundred forty-eight thousand, five hundred seventeen".