12551497 has 12 divisors (see below), whose sum is σ = 15073536. Its totient is φ = 10410120.

The previous prime is 12551479. The next prime is 12551501. The reversal of 12551497 is 79415521.

It is not a de Polignac number, because 12551497 - 2²³ = 4162889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2613 + ... + 5650.

It is an arithmetic number, because the mean of its divisors is an integer number (1256128).

Almost surely, 2^12551497 is an apocalyptic number.

It is an amenable number.

12551497 is a deficient number, since it is larger than the sum of its proper divisors (2522039).

12551497 is an equidigital number, since it uses as much as digits as its factorization.

12551497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8308 (or 8301 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 12551497 is about 3542.8091961041. The cubic root of 12551497 is about 232.3977088853.

The spelling of 12551497 in words is "twelve million, five hundred fifty-one thousand, four hundred ninety-seven".