11770897 has 4 divisors (see below), whose sum is σ = 12176820. Its totient is φ = 11364976.

The previous prime is 11770883. The next prime is 11770909. The reversal of 11770897 is 79807711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3682561 + 8088336 = 1919^2 + 2844^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11770897 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11770807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202918 + ... + 202975.

It is an arithmetic number, because the mean of its divisors is an integer number (3044205).

Almost surely, 2^11770897 is an apocalyptic number.

It is an amenable number.

11770897 is a deficient number, since it is larger than the sum of its proper divisors (405923).

11770897 is an equidigital number, since it uses as much as digits as its factorization.

11770897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405922.

The product of its (nonzero) digits is 24696, while the sum is 40.

The square root of 11770897 is about 3430.8740868764. The cubic root of 11770897 is about 227.4764907479.

The spelling of 11770897 in words is "eleven million, seven hundred seventy thousand, eight hundred ninety-seven".