1206772313 has 8 divisors (see below), whose sum is σ = 1220250528. Its totient is φ = 1193343424.

The previous prime is 1206772277. The next prime is 1206772363. The reversal of 1206772313 is 3132776021.

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

It is a cyclic number.

It is not a de Polignac number, because 1206772313 - 2¹⁰ = 1206771289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1206772313.

It is not an unprimeable number, because it can be changed into a prime (1206772363) 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, 38006 + ... + 62112.

It is an arithmetic number, because the mean of its divisors is an integer number (152531316).

Almost surely, 2^1206772313 is an apocalyptic number.

It is an amenable number.

1206772313 is a deficient number, since it is larger than the sum of its proper divisors (13478215).

1206772313 is a wasteful number, since it uses less digits than its factorization.

1206772313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24663.

The product of its (nonzero) digits is 10584, while the sum is 32.

The square root of 1206772313 is about 34738.6285423014. The cubic root of 1206772313 is about 1064.6538915145.

The spelling of 1206772313 in words is "one billion, two hundred six million, seven hundred seventy-two thousand, three hundred thirteen".