11667231 has 12 divisors (see below), whose sum is σ = 16883880. Its totient is φ = 7763760.

The previous prime is 11667223. The next prime is 11667259. The reversal of 11667231 is 13276611.

11667231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11667231 - 2³ = 11667223 is a prime.

It is a super-3 number, since 3×11667231³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 11667195 and 11667204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667211) 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, 6600 + ... + 8178.

It is an arithmetic number, because the mean of its divisors is an integer number (1406990).

Almost surely, 2^11667231 is an apocalyptic number.

11667231 is a deficient number, since it is larger than the sum of its proper divisors (5216649).

11667231 is a wasteful number, since it uses less digits than its factorization.

11667231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2406 (or 2403 counting only the distinct ones).

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

The square root of 11667231 is about 3415.7328642621. The cubic root of 11667231 is about 226.8067274023.

The spelling of 11667231 in words is "eleven million, six hundred sixty-seven thousand, two hundred thirty-one".