1213416503 has 8 divisors (see below), whose sum is σ = 1331412768. Its totient is φ = 1098942624.

The previous prime is 1213416461. The next prime is 1213416511. The reversal of 1213416503 is 3056143121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1213416503 - 2¹⁸ = 1213154359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213416563) 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 in 7 ways as a sum of consecutive naturals, for example, 879875 + ... + 881252.

It is an arithmetic number, because the mean of its divisors is an integer number (166426596).

Almost surely, 2^1213416503 is an apocalyptic number.

1213416503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1213416503 is a deficient number, since it is larger than the sum of its proper divisors (117996265).

1213416503 is a wasteful number, since it uses less digits than its factorization.

1213416503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761193.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1213416503 is about 34834.1284231427. The cubic root of 1213416503 is about 1066.6042235690.

Adding to 1213416503 its reverse (3056143121), we get a palindrome (4269559624).

The spelling of 1213416503 in words is "one billion, two hundred thirteen million, four hundred sixteen thousand, five hundred three".