12162657 has 16 divisors (see below), whose sum is σ = 17571008. Its totient is φ = 7439040.

The previous prime is 12162649. The next prime is 12162671. The reversal of 12162657 is 75626121.

12162657 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 12162657 - 2³ = 12162649 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is the 3488-th Hogben number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12162257) by changing a digit.

It is a nontrivial repunit in base 3487.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6198 + ... + 7920.

It is an arithmetic number, because the mean of its divisors is an integer number (1098188).

Almost surely, 2^12162657 is an apocalyptic number.

It is an amenable number.

12162657 is a deficient number, since it is larger than the sum of its proper divisors (5408351).

12162657 is a wasteful number, since it uses less digits than its factorization.

12162657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920.

The product of its digits is 5040, while the sum is 30.

The square root of 12162657 is about 3487.5001075269. The cubic root of 12162657 is about 229.9726306437.

Adding to 12162657 its reverse (75626121), we get a palindrome (87788778).

The spelling of 12162657 in words is "twelve million, one hundred sixty-two thousand, six hundred fifty-seven".