12381164 has 6 divisors (see below), whose sum is σ = 21667044. Its totient is φ = 6190580.

The previous prime is 12381113. The next prime is 12381167. The reversal of 12381164 is 46118321.

It is not an unprimeable number, because it can be changed into a prime (12381167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1547642 + ... + 1547649.

It is an arithmetic number, because the mean of its divisors is an integer number (3611174).

Almost surely, 2^12381164 is an apocalyptic number.

It is an amenable number.

12381164 is a deficient number, since it is larger than the sum of its proper divisors (9285880).

12381164 is a wasteful number, since it uses less digits than its factorization.

12381164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095295 (or 3095293 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 12381164 is about 3518.6878236070. The cubic root of 12381164 is about 231.3416482121.

Adding to 12381164 its reverse (46118321), we get a palindrome (58499485).

The spelling of 12381164 in words is "twelve million, three hundred eighty-one thousand, one hundred sixty-four".