1165996 has 24 divisors (see below), whose sum is σ = 2328480. Its totient is φ = 506112.

The previous prime is 1165993. The next prime is 1166021. The reversal of 1165996 is 6995611.

It is not an unprimeable number, because it can be changed into a prime (1165991) 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, 225 + ... + 1543.

It is an arithmetic number, because the mean of its divisors is an integer number (97020).

2^1165996 is an apocalyptic number.

It is an amenable number.

1165996 is a deficient number, since it is larger than the sum of its proper divisors (1162484).

1165996 is a wasteful number, since it uses less digits than its factorization.

1165996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353 (or 1351 counting only the distinct ones).

The product of its digits is 14580, while the sum is 37.

The square root of 1165996 is about 1079.8129467644. The cubic root of 1165996 is about 105.2524838475.

The spelling of 1165996 in words is "one million, one hundred sixty-five thousand, nine hundred ninety-six".