12552637 has 2 divisors, whose sum is σ = 12552638. Its totient is φ = 12552636.

The previous prime is 12552629. The next prime is 12552667. The reversal of 12552637 is 73625521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11930116 + 622521 = 3454^2 + 789^2 .

It is a cyclic number.

It is not a de Polignac number, because 12552637 - 2³ = 12552629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12552599 and 12552608.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12552607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276318 + 6276319.

It is an arithmetic number, because the mean of its divisors is an integer number (6276319).

Almost surely, 2^12552637 is an apocalyptic number.

It is an amenable number.

12552637 is a deficient number, since it is larger than the sum of its proper divisors (1).

12552637 is an equidigital number, since it uses as much as digits as its factorization.

12552637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 12552637 is about 3542.9700817252. The cubic root of 12552637 is about 232.4047445764.

The spelling of 12552637 in words is "twelve million, five hundred fifty-two thousand, six hundred thirty-seven".