12662167 has 32 divisors (see below), whose sum is σ = 16220160. Its totient is φ = 9646560.

The previous prime is 12662149. The next prime is 12662173. The reversal of 12662167 is 76126621.

It is a happy number.

12662167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12662167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214584 + ... + 214642.

It is an arithmetic number, because the mean of its divisors is an integer number (506880).

Almost surely, 2^12662167 is an apocalyptic number.

12662167 is a deficient number, since it is larger than the sum of its proper divisors (3557993).

12662167 is a wasteful number, since it uses less digits than its factorization.

12662167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163.

The product of its digits is 6048, while the sum is 31.

The square root of 12662167 is about 3558.3938792663. The cubic root of 12662167 is about 233.0787493151.

Adding to 12662167 its reverse (76126621), we get a palindrome (88788788).

The spelling of 12662167 in words is "twelve million, six hundred sixty-two thousand, one hundred sixty-seven".