12948505 has 4 divisors (see below), whose sum is σ = 15538212. Its totient is φ = 10358800.

The previous prime is 12948493. The next prime is 12948527. The reversal of 12948505 is 50584921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 5035536 = 2813^2 + 2244^2 .

It is not a de Polignac number, because 12948505 - 2⁵ = 12948473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1294846 + ... + 1294855.

It is an arithmetic number, because the mean of its divisors is an integer number (3884553).

Almost surely, 2^12948505 is an apocalyptic number.

It is an amenable number.

12948505 is a deficient number, since it is larger than the sum of its proper divisors (2589707).

12948505 is an equidigital number, since it uses as much as digits as its factorization.

12948505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2589706.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 12948505 is about 3598.4031180511. The cubic root of 12948505 is about 234.8225913175.

The spelling of 12948505 in words is "twelve million, nine hundred forty-eight thousand, five hundred five".