12626397 has 24 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 6965280.

The previous prime is 12626387. The next prime is 12626417. The reversal of 12626397 is 79362621.

12626397 is a `hidden beast` number, since 1 + 262 + 6 + 397 = 666.

12626397 is digitally balanced in base 2, base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12626397 - 2⁴ = 12626381 is a prime.

12626397 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1629 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (898560).

Almost surely, 2^12626397 is an apocalyptic number.

It is an amenable number.

12626397 is a deficient number, since it is larger than the sum of its proper divisors (8939043).

12626397 is a wasteful number, since it uses less digits than its factorization.

12626397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953 (or 6950 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 12626397 is about 3553.3641806041. The cubic root of 12626397 is about 232.8590636441.

The spelling of 12626397 in words is "twelve million, six hundred twenty-six thousand, three hundred ninety-seven".