12905207 has 8 divisors (see below), whose sum is σ = 15224832. Its totient is φ = 10704600.

The previous prime is 12905183. The next prime is 12905209. The reversal of 12905207 is 70250921.

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

It is a cyclic number.

It is not a de Polignac number, because 12905207 - 2²² = 8710903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12905209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29519 + ... + 29952.

It is an arithmetic number, because the mean of its divisors is an integer number (1903104).

Almost surely, 2^12905207 is an apocalyptic number.

12905207 is a deficient number, since it is larger than the sum of its proper divisors (2319625).

12905207 is an equidigital number, since it uses as much as digits as its factorization.

12905207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59509.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 12905207 is about 3592.3818004216. The cubic root of 12905207 is about 234.5605610061.

The spelling of 12905207 in words is "twelve million, nine hundred five thousand, two hundred seven".