12626290 has 8 divisors (see below), whose sum is σ = 22727340. Its totient is φ = 5050512.

The previous prime is 12626267. The next prime is 12626293. The reversal of 12626290 is 9262621.

It can be written as a sum of positive squares in 2 ways, for example, as 12552849 + 73441 = 3543^2 + 271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12626293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631305 + ... + 631324.

Almost surely, 2^12626290 is an apocalyptic number.

12626290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12626290 is a deficient number, since it is larger than the sum of its proper divisors (10101050).

12626290 is a wasteful number, since it uses less digits than its factorization.

12626290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262636.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 12626290 is about 3553.3491244177. The cubic root of 12626290 is about 232.8584058690.

The spelling of 12626290 in words is "twelve million, six hundred twenty-six thousand, two hundred ninety".