1207182213 has 12 divisors (see below), whose sum is σ = 1756437228. Its totient is φ = 798912960.

The previous prime is 1207182203. The next prime is 1207182227. The reversal of 1207182213 is 3122817021.

It can be written as a sum of positive squares in 2 ways, for example, as 984516129 + 222666084 = 31377^2 + 14922^2 .

It is not a de Polignac number, because 1207182213 - 2⁶ = 1207182149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1207182203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488298 + ... + 490763.

It is an arithmetic number, because the mean of its divisors is an integer number (146369769).

Almost surely, 2^1207182213 is an apocalyptic number.

It is an amenable number.

1207182213 is a deficient number, since it is larger than the sum of its proper divisors (549255015).

1207182213 is a wasteful number, since it uses less digits than its factorization.

1207182213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979204 (or 979201 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1207182213 is about 34744.5278137436. The cubic root of 1207182213 is about 1064.7744202517.

Adding to 1207182213 its reverse (3122817021), we get a palindrome (4329999234).

The spelling of 1207182213 in words is "one billion, two hundred seven million, one hundred eighty-two thousand, two hundred thirteen".