1330423612 has 48 divisors (see below), whose sum is σ = 2729520640. Its totient is φ = 555532992.

The previous prime is 1330423609. The next prime is 1330423639. The reversal of 1330423612 is 2163240331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585214 + ... + 587482.

Almost surely, 2^1330423612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330423612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364760320).

1330423612 is an abundant number, since it is smaller than the sum of its proper divisors (1399097028).

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

1330423612 is a wasteful number, since it uses less digits than its factorization.

1330423612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 1330423612 is about 36474.9724057469. The cubic root of 1330423612 is about 1099.8411925010.

Adding to 1330423612 its reverse (2163240331), we get a palindrome (3493663943).

The spelling of 1330423612 in words is "one billion, three hundred thirty million, four hundred twenty-three thousand, six hundred twelve".