11997027 has 24 divisors (see below), whose sum is σ = 20183904. Its totient is φ = 6724224.

The previous prime is 11996993. The next prime is 11997049. The reversal of 11997027 is 72079911.

It is not a de Polignac number, because 11997027 - 2¹⁰ = 11996003 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11996982 and 11997000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11999027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1543 + ... + 5135.

It is an arithmetic number, because the mean of its divisors is an integer number (840996).

Almost surely, 2^11997027 is an apocalyptic number.

11997027 is a deficient number, since it is larger than the sum of its proper divisors (8186877).

11997027 is a wasteful number, since it uses less digits than its factorization.

11997027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3659 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 7938, while the sum is 36.

The square root of 11997027 is about 3463.6724729685. The cubic root of 11997027 is about 228.9239400855.

The spelling of 11997027 in words is "eleven million, nine hundred ninety-seven thousand, twenty-seven".