12554957 has 2 divisors, whose sum is σ = 12554958. Its totient is φ = 12554956.

The previous prime is 12554939. The next prime is 12554977. The reversal of 12554957 is 75945521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12208036 + 346921 = 3494^2 + 589^2 .

It is an emirp because it is prime and its reverse (75945521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12554957 - 2⁸ = 12554701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12554957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12554977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6277478 + 6277479.

It is an arithmetic number, because the mean of its divisors is an integer number (6277479).

Almost surely, 2^12554957 is an apocalyptic number.

It is an amenable number.

12554957 is a deficient number, since it is larger than the sum of its proper divisors (1).

12554957 is an equidigital number, since it uses as much as digits as its factorization.

12554957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 38.

The square root of 12554957 is about 3543.2974755163. The cubic root of 12554957 is about 232.4190615096.

The spelling of 12554957 in words is "twelve million, five hundred fifty-four thousand, nine hundred fifty-seven".