12657073 has 16 divisors (see below), whose sum is σ = 15124032. Its totient is φ = 10440000.

The previous prime is 12657049. The next prime is 12657077. The reversal of 12657073 is 37075621.

It is a cyclic number.

It is not a de Polignac number, because 12657073 - 2⁵ = 12657041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12657077) 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, 7998 + ... + 9448.

It is an arithmetic number, because the mean of its divisors is an integer number (945252).

Almost surely, 2^12657073 is an apocalyptic number.

12657073 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12657073 is a deficient number, since it is larger than the sum of its proper divisors (2466959).

12657073 is a wasteful number, since it uses less digits than its factorization.

12657073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1536.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 12657073 is about 3557.6780348986. The cubic root of 12657073 is about 233.0474891997.

It can be divided in two parts, 1265 and 7073, that added together give a palindrome (8338).

The spelling of 12657073 in words is "twelve million, six hundred fifty-seven thousand, seventy-three".