1213674503 has 2 divisors, whose sum is σ = 1213674504. Its totient is φ = 1213674502.

The previous prime is 1213674499. The next prime is 1213674541. The reversal of 1213674503 is 3054763121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1213674503 - 2² = 1213674499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1213674503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1213674403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606837251 + 606837252.

It is an arithmetic number, because the mean of its divisors is an integer number (606837252).

Almost surely, 2^1213674503 is an apocalyptic number.

1213674503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213674503 is an equidigital number, since it uses as much as digits as its factorization.

1213674503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 1213674503 is about 34837.8314910673. The cubic root of 1213674503 is about 1066.6798129999.

The spelling of 1213674503 in words is "one billion, two hundred thirteen million, six hundred seventy-four thousand, five hundred three".