12650450 has 18 divisors (see below), whose sum is σ = 23576709. Its totient is φ = 5050120.

The previous prime is 12650423. The next prime is 12650459. The reversal of 12650450 is 5405621.

It can be written as a sum of positive squares in 2 ways, for example, as 12397441 + 253009 = 3521^2 + 503^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2515.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12650459) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24899 + ... + 25401.

Almost surely, 2^12650450 is an apocalyptic number.

12650450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12650450 is a deficient number, since it is larger than the sum of its proper divisors (10926259).

12650450 is an frugal number, since it uses more digits than its factorization.

12650450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12650450 is about 3556.7471093683. The cubic root of 12650450 is about 233.0068335965.

The spelling of 12650450 in words is "twelve million, six hundred fifty thousand, four hundred fifty".