12894305 has 4 divisors (see below), whose sum is σ = 15473172. Its totient is φ = 10315440.

The previous prime is 12894269. The next prime is 12894341. The reversal of 12894305 is 50349821.

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

It is an interprime number because it is at equal distance from previous prime (12894269) and next prime (12894341).

It can be written as a sum of positive squares in 2 ways, for example, as 8958049 + 3936256 = 2993^2 + 1984^2 .

It is not a de Polignac number, because 12894305 - 2¹⁰ = 12893281 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, 1289426 + ... + 1289435.

It is an arithmetic number, because the mean of its divisors is an integer number (3868293).

Almost surely, 2^12894305 is an apocalyptic number.

It is an amenable number.

12894305 is a deficient number, since it is larger than the sum of its proper divisors (2578867).

12894305 is an equidigital number, since it uses as much as digits as its factorization.

12894305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578866.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 12894305 is about 3590.8641021347. The cubic root of 12894305 is about 234.4944920761.

The spelling of 12894305 in words is "twelve million, eight hundred ninety-four thousand, three hundred five".