12381052 has 6 divisors (see below), whose sum is σ = 21666848. Its totient is φ = 6190524.

The previous prime is 12381041. The next prime is 12381053. The reversal of 12381052 is 25018321.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12381053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1547628 + ... + 1547635.

Almost surely, 2^12381052 is an apocalyptic number.

It is an amenable number.

12381052 is a deficient number, since it is larger than the sum of its proper divisors (9285796).

12381052 is a wasteful number, since it uses less digits than its factorization.

12381052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095267 (or 3095265 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 12381052 is about 3518.6719085473. The cubic root of 12381052 is about 231.3409506379.

Adding to 12381052 its reverse (25018321), we get a palindrome (37399373).

The spelling of 12381052 in words is "twelve million, three hundred eighty-one thousand, fifty-two".