1266270713 has 8 divisors (see below), whose sum is σ = 1339237920. Its totient is φ = 1193935680.

The previous prime is 1266270701. The next prime is 1266270739. The reversal of 1266270713 is 3170726621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1266270713 - 2¹⁴ = 1266254329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1266270763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153920 + ... + 161937.

It is an arithmetic number, because the mean of its divisors is an integer number (167404740).

Almost surely, 2^1266270713 is an apocalyptic number.

It is an amenable number.

1266270713 is a deficient number, since it is larger than the sum of its proper divisors (72967207).

1266270713 is a wasteful number, since it uses less digits than its factorization.

1266270713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316087.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 1266270713 is about 35584.6977365271. The cubic root of 1266270713 is about 1081.8711028593.

The spelling of 1266270713 in words is "one billion, two hundred sixty-six million, two hundred seventy thousand, seven hundred thirteen".