12250406 has 16 divisors (see below), whose sum is σ = 21358080. Its totient is φ = 5160840.

The previous prime is 12250397. The next prime is 12250463. The reversal of 12250406 is 60405221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6590 + ... + 8241.

It is an arithmetic number, because the mean of its divisors is an integer number (1334880).

Almost surely, 2^12250406 is an apocalyptic number.

12250406 is a deficient number, since it is larger than the sum of its proper divisors (9107674).

12250406 is a wasteful number, since it uses less digits than its factorization.

12250406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14899.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 12250406 is about 3500.0579995194. The cubic root of 12250406 is about 230.5243612920.

Adding to 12250406 its reverse (60405221), we get a palindrome (72655627).

The spelling of 12250406 in words is "twelve million, two hundred fifty thousand, four hundred six".