12263122 has 4 divisors (see below), whose sum is σ = 18394686. Its totient is φ = 6131560.

The previous prime is 12263101. The next prime is 12263123. The reversal of 12263122 is 22136221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22136221 = 211 ⋅104911.

It can be written as a sum of positive squares in only one way, i.e., 9369721 + 2893401 = 3061^2 + 1701^2 .

It is a super-2 number, since 2×12263122² = 300768322373768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12263122.

It is not an unprimeable number, because it can be changed into a prime (12263123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065779 + ... + 3065782.

Almost surely, 2^12263122 is an apocalyptic number.

12263122 is a deficient number, since it is larger than the sum of its proper divisors (6131564).

12263122 is an equidigital number, since it uses as much as digits as its factorization.

12263122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6131563.

The product of its digits is 288, while the sum is 19.

The square root of 12263122 is about 3501.8740696947. The cubic root of 12263122 is about 230.6040956319.

Adding to 12263122 its reverse (22136221), we get a palindrome (34399343).

The spelling of 12263122 in words is "twelve million, two hundred sixty-three thousand, one hundred twenty-two".