12248311 has 2 divisors, whose sum is σ = 12248312. Its totient is φ = 12248310.

The previous prime is 12248297. The next prime is 12248389. The reversal of 12248311 is 11384221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12248311 - 2¹⁵ = 12215543 is a prime.

It is a super-2 number, since 2×12248311² = 300042244705442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12248011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6124155 + 6124156.

It is an arithmetic number, because the mean of its divisors is an integer number (6124156).

Almost surely, 2^12248311 is an apocalyptic number.

12248311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12248311 is an equidigital number, since it uses as much as digits as its factorization.

12248311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

The square root of 12248311 is about 3499.7587059682. The cubic root of 12248311 is about 230.5112195215.

The spelling of 12248311 in words is "twelve million, two hundred forty-eight thousand, three hundred eleven".