12904295 has 4 divisors (see below), whose sum is σ = 15485160. Its totient is φ = 10323432.

The previous prime is 12904291. The next prime is 12904313. The reversal of 12904295 is 59240921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59240921 = 5351 ⋅11071.

It is a cyclic number.

It is not a de Polignac number, because 12904295 - 2² = 12904291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12904291) 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, 1290425 + ... + 1290434.

It is an arithmetic number, because the mean of its divisors is an integer number (3871290).

Almost surely, 2^12904295 is an apocalyptic number.

12904295 is a deficient number, since it is larger than the sum of its proper divisors (2580865).

12904295 is an equidigital number, since it uses as much as digits as its factorization.

12904295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580864.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 12904295 is about 3592.2548628960. The cubic root of 12904295 is about 234.5550354775. Note that the first 3 decimals are identical.

The spelling of 12904295 in words is "twelve million, nine hundred four thousand, two hundred ninety-five".