11766231 has 12 divisors (see below), whose sum is σ = 17065152. Its totient is φ = 7812096.

The previous prime is 11766217. The next prime is 11766233. The reversal of 11766231 is 13266711.

It is not a de Polignac number, because 11766231 - 2¹¹ = 11764183 is a prime.

It is a super-2 number, since 2×11766231² = 276888383890722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11766195 and 11766204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11766233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 231 + ... + 4856.

It is an arithmetic number, because the mean of its divisors is an integer number (1422096).

Almost surely, 2^11766231 is an apocalyptic number.

11766231 is a deficient number, since it is larger than the sum of its proper divisors (5298921).

11766231 is a wasteful number, since it uses less digits than its factorization.

11766231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5350 (or 5347 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 11766231 is about 3430.1940178363. The cubic root of 11766231 is about 227.4464294426.

It can be divided in two parts, 11766 and 231, that multiplied together give a triangular number (2717946 = T₂₃₃₁).

The spelling of 11766231 in words is "eleven million, seven hundred sixty-six thousand, two hundred thirty-one".