12402207 has 8 divisors (see below), whose sum is σ = 18373680. Its totient is φ = 8268120.

The previous prime is 12402191. The next prime is 12402217. The reversal of 12402207 is 70220421.

It is not a de Polignac number, because 12402207 - 2⁴ = 12402191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12402207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12402217) 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, 229644 + ... + 229697.

It is an arithmetic number, because the mean of its divisors is an integer number (2296710).

Almost surely, 2^12402207 is an apocalyptic number.

12402207 is a deficient number, since it is larger than the sum of its proper divisors (5971473).

12402207 is an equidigital number, since it uses as much as digits as its factorization.

12402207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459350 (or 459344 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 12402207 is about 3521.6767313313. The cubic root of 12402207 is about 231.4726366220.

Adding to 12402207 its reverse (70220421), we get a palindrome (82622628).

The spelling of 12402207 in words is "twelve million, four hundred two thousand, two hundred seven".