1346012740 has 48 divisors (see below), whose sum is σ = 3023827632. Its totient is φ = 501497856.

The previous prime is 1346012729. The next prime is 1346012741. The reversal of 1346012740 is 472106431.

It can be written as a sum of positive squares in 8 ways, for example, as 232989696 + 1113023044 = 15264^2 + 33362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1346012699 and 1346012708.

It is not an unprimeable number, because it can be changed into a prime (1346012741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12574 + ... + 53386.

It is an arithmetic number, because the mean of its divisors is an integer number (62996409).

Almost surely, 2^1346012740 is an apocalyptic number.

1346012740 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 1346012740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1511913816).

1346012740 is an abundant number, since it is smaller than the sum of its proper divisors (1677814892).

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

1346012740 is a wasteful number, since it uses less digits than its factorization.

1346012740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40936 (or 40934 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1346012740 is about 36688.0462821339. The cubic root of 1346012740 is about 1104.1202883443.

The spelling of 1346012740 in words is "one billion, three hundred forty-six million, twelve thousand, seven hundred forty".