12551893 has 2 divisors, whose sum is σ = 12551894. Its totient is φ = 12551892.

The previous prime is 12551881. The next prime is 12551911. The reversal of 12551893 is 39815521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8892324 + 3659569 = 2982^2 + 1913^2 .

It is a cyclic number.

It is not a de Polignac number, because 12551893 - 2¹³ = 12543701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12551873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6275946 + 6275947.

It is an arithmetic number, because the mean of its divisors is an integer number (6275947).

Almost surely, 2^12551893 is an apocalyptic number.

It is an amenable number.

12551893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12551893 is an equidigital number, since it uses as much as digits as its factorization.

12551893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10800, while the sum is 34.

The square root of 12551893 is about 3542.8650835164. The cubic root of 12551893 is about 232.4001529105.

The spelling of 12551893 in words is "twelve million, five hundred fifty-one thousand, eight hundred ninety-three".