12253391 has 4 divisors (see below), whose sum is σ = 12268152. Its totient is φ = 12238632.

The previous prime is 12253387. The next prime is 12253427. The reversal of 12253391 is 19335221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12253391 - 2² = 12253387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12253391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12253321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6056 + ... + 7821.

It is an arithmetic number, because the mean of its divisors is an integer number (3067038).

Almost surely, 2^12253391 is an apocalyptic number.

12253391 is a deficient number, since it is larger than the sum of its proper divisors (14761).

12253391 is an equidigital number, since it uses as much as digits as its factorization.

12253391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14760.

The product of its digits is 1620, while the sum is 26.

The square root of 12253391 is about 3500.4843950516. The cubic root of 12253391 is about 230.5430833745.

The spelling of 12253391 in words is "twelve million, two hundred fifty-three thousand, three hundred ninety-one".