1213714320 has 480 divisors, whose sum is σ = 5001429888. Its totient is φ = 240500736.

The previous prime is 1213714309. The next prime is 1213714321. The reversal of 1213714320 is 234173121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1213714321) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2598727 + ... + 2599193.

Almost surely, 2^1213714320 is an apocalyptic number.

1213714320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1213714320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2500714944).

1213714320 is an abundant number, since it is smaller than the sum of its proper divisors (3787715568).

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

1213714320 is a wasteful number, since it uses less digits than its factorization.

1213714320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1213714320 is about 34838.4029484705. The cubic root of 1213714320 is about 1066.6914777215.

Adding to 1213714320 its reverse (234173121), we get a palindrome (1447887441).

The spelling of 1213714320 in words is "one billion, two hundred thirteen million, seven hundred fourteen thousand, three hundred twenty".