1306964225 has 12 divisors (see below), whose sum is σ = 1852155264. Its totient is φ = 896203920.

The previous prime is 1306964221. The next prime is 1306964227. The reversal of 1306964225 is 5224696031.

It is not a de Polignac number, because 1306964225 - 2² = 1306964221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306964221) 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, 3734009 + ... + 3734358.

It is an arithmetic number, because the mean of its divisors is an integer number (154346272).

Almost surely, 2^1306964225 is an apocalyptic number.

It is an amenable number.

1306964225 is a deficient number, since it is larger than the sum of its proper divisors (545191039).

1306964225 is an equidigital number, since it uses as much as digits as its factorization.

1306964225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468384 (or 7468379 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 1306964225 is about 36151.9601819874. The cubic root of 1306964225 is about 1093.3383121076.

The spelling of 1306964225 in words is "one billion, three hundred six million, nine hundred sixty-four thousand, two hundred twenty-five".