1223254013 has 2 divisors, whose sum is σ = 1223254014. Its totient is φ = 1223254012.

The previous prime is 1223253971. The next prime is 1223254031. The reversal of 1223254013 is 3104523221.

Together with next prime (1223254031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1149345604 + 73908409 = 33902^2 + 8597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223254013 - 2⁶ = 1223253949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1223254013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223254073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611627006 + 611627007.

It is an arithmetic number, because the mean of its divisors is an integer number (611627007).

Almost surely, 2^1223254013 is an apocalyptic number.

It is an amenable number.

1223254013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223254013 is an equidigital number, since it uses as much as digits as its factorization.

1223254013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1223254013 is about 34975.0484345626. The cubic root of 1223254013 is about 1069.4788894069.

Adding to 1223254013 its reverse (3104523221), we get a palindrome (4327777234).

The spelling of 1223254013 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, thirteen".