11772897 has 8 divisors (see below), whose sum is σ = 15716160. Its totient is φ = 7839120.

The previous prime is 11772847. The next prime is 11772899. The reversal of 11772897 is 79827711.

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

It is not a de Polignac number, because 11772897 - 2⁶ = 11772833 is a prime.

It is a super-2 number, since 2×11772897² = 277202207545218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11772899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1372 + ... + 5042.

It is an arithmetic number, because the mean of its divisors is an integer number (1964520).

Almost surely, 2^11772897 is an apocalyptic number.

It is an amenable number.

11772897 is a deficient number, since it is larger than the sum of its proper divisors (3943263).

11772897 is a wasteful number, since it uses less digits than its factorization.

11772897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its digits is 49392, while the sum is 42.

The square root of 11772897 is about 3431.1655454087. The cubic root of 11772897 is about 227.4893735728.

The spelling of 11772897 in words is "eleven million, seven hundred seventy-two thousand, eight hundred ninety-seven".