12900207 has 4 divisors (see below), whose sum is σ = 17200280. Its totient is φ = 8600136.

The previous prime is 12900197. The next prime is 12900211. The reversal of 12900207 is 70200921.

It is a happy number.

12900207 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12900207 - 2⁴ = 12900191 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 (12900227) 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, 2150032 + ... + 2150037.

It is an arithmetic number, because the mean of its divisors is an integer number (4300070).

Almost surely, 2^12900207 is an apocalyptic number.

12900207 is a deficient number, since it is larger than the sum of its proper divisors (4300073).

12900207 is an equidigital number, since it uses as much as digits as its factorization.

12900207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300072.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 12900207 is about 3591.6858158809. The cubic root of 12900207 is about 234.5302643385.

The spelling of 12900207 in words is "twelve million, nine hundred thousand, two hundred seven".