1306687201 has 12 divisors (see below), whose sum is σ = 1448430912. Its totient is φ = 1176346688.

The previous prime is 1306687183. The next prime is 1306687243. The reversal of 1306687201 is 1027866031.

It is not a de Polignac number, because 1306687201 - 2⁷ = 1306687073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306687271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91645 + ... + 104938.

It is an arithmetic number, because the mean of its divisors is an integer number (120702576).

Almost surely, 2^1306687201 is an apocalyptic number.

It is an amenable number.

1306687201 is a deficient number, since it is larger than the sum of its proper divisors (141743711).

1306687201 is a wasteful number, since it uses less digits than its factorization.

1306687201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196640 (or 196623 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 1306687201 is about 36148.1285960975. The cubic root of 1306687201 is about 1093.2610586912.

The spelling of 1306687201 in words is "one billion, three hundred six million, six hundred eighty-seven thousand, two hundred one".