12650290 has 8 divisors (see below), whose sum is σ = 22770540. Its totient is φ = 5060112.

The previous prime is 12650273. The next prime is 12650317. The reversal of 12650290 is 9205621.

It can be written as a sum of positive squares in 2 ways, for example, as 12467961 + 182329 = 3531^2 + 427^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632505 + ... + 632524.

Almost surely, 2^12650290 is an apocalyptic number.

12650290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12650290 is a deficient number, since it is larger than the sum of its proper divisors (10120250).

12650290 is a wasteful number, since it uses less digits than its factorization.

12650290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265036.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 12650290 is about 3556.7246168350. The cubic root of 12650290 is about 233.0058512533.

The spelling of 12650290 in words is "twelve million, six hundred fifty thousand, two hundred ninety".