1213303014 has 144 divisors (see below), whose sum is σ = 3380382720. Its totient is φ = 310957920.

The previous prime is 1213302973. The next prime is 1213303027. The reversal of 1213303014 is 4103033121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 765667 + ... + 767249.

It is an arithmetic number, because the mean of its divisors is an integer number (23474880).

Almost surely, 2^1213303014 is an apocalyptic number.

1213303014 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213303014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1690191360).

1213303014 is an abundant number, since it is smaller than the sum of its proper divisors (2167079706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1213303014 is a wasteful number, since it uses less digits than its factorization.

1213303014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695 (or 1685 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1213303014 is about 34832.4993935262. The cubic root of 1213303014 is about 1066.5709699087.

Adding to 1213303014 its reverse (4103033121), we get a palindrome (5316336135).

The spelling of 1213303014 in words is "one billion, two hundred thirteen million, three hundred three thousand, fourteen".