12027257 has 16 divisors (see below), whose sum is σ = 13953600. Its totient is φ = 10261440.

The previous prime is 12027179. The next prime is 12027271. The reversal of 12027257 is 75272021.

It is a cyclic number.

It is not a de Polignac number, because 12027257 - 2¹⁶ = 11961721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12027277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11294 + ... + 12312.

It is an arithmetic number, because the mean of its divisors is an integer number (872100).

Almost surely, 2^12027257 is an apocalyptic number.

It is an amenable number.

12027257 is a deficient number, since it is larger than the sum of its proper divisors (1926343).

12027257 is a wasteful number, since it uses less digits than its factorization.

12027257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 12027257 is about 3468.0335926862. The cubic root of 12027257 is about 229.1160589664.

Adding to 12027257 its reverse (75272021), we get a palindrome (87299278).

The spelling of 12027257 in words is "twelve million, twenty-seven thousand, two hundred fifty-seven".