1172096813 has 8 divisors (see below), whose sum is σ = 1229819136. Its totient is φ = 1114938000.

The previous prime is 1172096801. The next prime is 1172096917. The reversal of 1172096813 is 3186902711.

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 1172096813 - 2⁴ = 1172096797 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 (1172096413) 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 7 ways as a sum of consecutive naturals, for example, 136613 + ... + 144938.

It is an arithmetic number, because the mean of its divisors is an integer number (153727392).

Almost surely, 2^1172096813 is an apocalyptic number.

It is an amenable number.

1172096813 is a deficient number, since it is larger than the sum of its proper divisors (57722323).

1172096813 is a wasteful number, since it uses less digits than its factorization.

1172096813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281755.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 1172096813 is about 34235.8994770110. The cubic root of 1172096813 is about 1054.3573463035.

The spelling of 1172096813 in words is "one billion, one hundred seventy-two million, ninety-six thousand, eight hundred thirteen".