12420250 has 16 divisors (see below), whose sum is σ = 23251176. Its totient is φ = 4968000.

The previous prime is 12420229. The next prime is 12420257. The reversal of 12420250 is 5202421.

12420250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5349969 + 7070281 = 2313^2 + 2659^2 .

It is a super-2 number, since 2×12420250² = 308525220125000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12420257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24591 + ... + 25090.

Almost surely, 2^12420250 is an apocalyptic number.

12420250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12420250 is a deficient number, since it is larger than the sum of its proper divisors (10830926).

12420250 is an equidigital number, since it uses as much as digits as its factorization.

12420250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49698 (or 49688 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12420250 is about 3524.2375061848. The cubic root of 12420250 is about 231.5848327035.

Adding to 12420250 its reverse (5202421), we get a palindrome (17622671).

The spelling of 12420250 in words is "twelve million, four hundred twenty thousand, two hundred fifty".