12053657 has 36 divisors (see below), whose sum is σ = 16374960. Its totient is φ = 8814960.

The previous prime is 12053627. The next prime is 12053669. The reversal of 12053657 is 75635021.

It is not a de Polignac number, because 12053657 - 2⁸ = 12053401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12053617) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 112598 + ... + 112704.

It is an arithmetic number, because the mean of its divisors is an integer number (454860).

Almost surely, 2^12053657 is an apocalyptic number.

It is an amenable number.

12053657 is a deficient number, since it is larger than the sum of its proper divisors (4321303).

12053657 is a wasteful number, since it uses less digits than its factorization.

12053657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 12053657 is about 3471.8376978194. The cubic root of 12053657 is about 229.2835741283.

Adding to 12053657 its reverse (75635021), we get a palindrome (87688678).

The spelling of 12053657 in words is "twelve million, fifty-three thousand, six hundred fifty-seven".