12626257 has 8 divisors (see below), whose sum is σ = 15278976. Its totient is φ = 10185792.

The previous prime is 12626227. The next prime is 12626261. The reversal of 12626257 is 75262621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12626257 - 2⁷ = 12626129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12626227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52933 + ... + 53170.

It is an arithmetic number, because the mean of its divisors is an integer number (1909872).

Almost surely, 2^12626257 is an apocalyptic number.

12626257 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12626257 is a deficient number, since it is larger than the sum of its proper divisors (2652719).

12626257 is a wasteful number, since it uses less digits than its factorization.

12626257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106127.

The product of its digits is 10080, while the sum is 31.

The square root of 12626257 is about 3553.3444809081. The cubic root of 12626257 is about 232.8582030030.

Adding to 12626257 its reverse (75262621), we get a palindrome (87888878).

The spelling of 12626257 in words is "twelve million, six hundred twenty-six thousand, two hundred fifty-seven".