12245311 has 4 divisors (see below), whose sum is σ = 13187272. Its totient is φ = 11303352.

The previous prime is 12245297. The next prime is 12245351. The reversal of 12245311 is 11354221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11354221 = 269 ⋅42209.

It is a cyclic number.

It is not a de Polignac number, because 12245311 - 2¹⁹ = 11721023 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 (12245351) 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, 470961 + ... + 470986.

It is an arithmetic number, because the mean of its divisors is an integer number (3296818).

Almost surely, 2^12245311 is an apocalyptic number.

12245311 is a deficient number, since it is larger than the sum of its proper divisors (941961).

12245311 is an equidigital number, since it uses as much as digits as its factorization.

12245311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941960.

The product of its digits is 240, while the sum is 19.

The square root of 12245311 is about 3499.3300787436. The cubic root of 12245311 is about 230.4923981476.

Adding to 12245311 its reverse (11354221), we get a palindrome (23599532).

The spelling of 12245311 in words is "twelve million, two hundred forty-five thousand, three hundred eleven".