12250997 has 8 divisors (see below), whose sum is σ = 13498272. Its totient is φ = 11026000.

The previous prime is 12250981. The next prime is 12251011. The reversal of 12250997 is 79905221.

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

It is a cyclic number.

It is not a de Polignac number, because 12250997 - 2⁴ = 12250981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12250967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4403 + ... + 6624.

It is an arithmetic number, because the mean of its divisors is an integer number (1687284).

Almost surely, 2^12250997 is an apocalyptic number.

It is an amenable number.

12250997 is a deficient number, since it is larger than the sum of its proper divisors (1247275).

12250997 is a wasteful number, since it uses less digits than its factorization.

12250997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11139.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 12250997 is about 3500.1424256736. The cubic root of 12250997 is about 230.5280683176.

The spelling of 12250997 in words is "twelve million, two hundred fifty thousand, nine hundred ninety-seven".