1305970207 has 4 divisors (see below), whose sum is σ = 1309072696. Its totient is φ = 1302867720.

The previous prime is 1305970151. The next prime is 1305970229. The reversal of 1305970207 is 7020795031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7020795031 = 17 ⋅412987943.

It is a cyclic number.

It is not a de Polignac number, because 1305970207 - 2¹⁵ = 1305937439 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 (1305970307) 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, 1550613 + ... + 1551454.

It is an arithmetic number, because the mean of its divisors is an integer number (327268174).

Almost surely, 2^1305970207 is an apocalyptic number.

1305970207 is a deficient number, since it is larger than the sum of its proper divisors (3102489).

1305970207 is an equidigital number, since it uses as much as digits as its factorization.

1305970207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102488.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 1305970207 is about 36138.2097924067. The cubic root of 1305970207 is about 1093.0610605498.

The spelling of 1305970207 in words is "one billion, three hundred five million, nine hundred seventy thousand, two hundred seven".