1207313 has 2 divisors, whose sum is σ = 1207314. Its totient is φ = 1207312.

The previous prime is 1207309. The next prime is 1207319. The reversal of 1207313 is 3137021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 677329 + 529984 = 823^2 + 728^2 .

It is a cyclic number.

It is not a de Polignac number, because 1207313 - 2² = 1207309 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1207291 and 1207300.

It is not a weakly prime, because it can be changed into another prime (1207319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 603656 + 603657.

It is an arithmetic number, because the mean of its divisors is an integer number (603657).

2^1207313 is an apocalyptic number.

It is an amenable number.

1207313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1207313 is an equidigital number, since it uses as much as digits as its factorization.

1207313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 1207313 is about 1098.7779575510. Note that the first 3 decimals coincide. The cubic root of 1207313 is about 106.4812871675.

The spelling of 1207313 in words is "one million, two hundred seven thousand, three hundred thirteen".