12251697 has 4 divisors (see below), whose sum is σ = 16335600. Its totient is φ = 8167796.

The previous prime is 12251677. The next prime is 12251719. The reversal of 12251697 is 79615221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12251697 - 2⁶ = 12251633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12251647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041947 + ... + 2041952.

It is an arithmetic number, because the mean of its divisors is an integer number (4083900).

Almost surely, 2^12251697 is an apocalyptic number.

It is an amenable number.

12251697 is a deficient number, since it is larger than the sum of its proper divisors (4083903).

12251697 is an equidigital number, since it uses as much as digits as its factorization.

12251697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083902.

The product of its digits is 7560, while the sum is 33.

The square root of 12251697 is about 3500.2424201761. The cubic root of 12251697 is about 230.5324588875.

The spelling of 12251697 in words is "twelve million, two hundred fifty-one thousand, six hundred ninety-seven".