1213034447 has 2 divisors, whose sum is σ = 1213034448. Its totient is φ = 1213034446.

The previous prime is 1213034441. The next prime is 1213034453. The reversal of 1213034447 is 7444303121.

It is a balanced prime because it is at equal distance from previous prime (1213034441) and next prime (1213034453).

It is a cyclic number.

It is not a de Polignac number, because 1213034447 - 2¹⁸ = 1212772303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213034441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606517223 + 606517224.

It is an arithmetic number, because the mean of its divisors is an integer number (606517224).

Almost surely, 2^1213034447 is an apocalyptic number.

1213034447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213034447 is an equidigital number, since it uses as much as digits as its factorization.

1213034447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 1213034447 is about 34828.6440591649. The cubic root of 1213034447 is about 1066.4922682433.

Adding to 1213034447 its reverse (7444303121), we get a palindrome (8657337568).

The spelling of 1213034447 in words is "one billion, two hundred thirteen million, thirty-four thousand, four hundred forty-seven".