1183897 has 16 divisors (see below), whose sum is σ = 1475712. Its totient is φ = 933120.

The previous prime is 1183877. The next prime is 1183913. The reversal of 1183897 is 7983811.

It is a cyclic number.

It is not a de Polignac number, because 1183897 - 2⁷ = 1183769 is a prime.

It is a super-2 number, since 2×1183897² = 2803224213218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1183837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2188 + ... + 2674.

It is an arithmetic number, because the mean of its divisors is an integer number (92232).

2^1183897 is an apocalyptic number.

1183897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1183897 is a deficient number, since it is larger than the sum of its proper divisors (291815).

1183897 is a wasteful number, since it uses less digits than its factorization.

1183897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528.

The product of its digits is 12096, while the sum is 37.

The square root of 1183897 is about 1088.0703102282. The cubic root of 1183897 is about 105.7883816512.

It can be divided in two parts, 11838 and 97, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 1183897 in words is "one million, one hundred eighty-three thousand, eight hundred ninety-seven".