1382748872 has 12 divisors (see below), whose sum is σ = 2592851355. Its totient is φ = 691321848.

The previous prime is 1382748869. The next prime is 1382748877. The reversal of 1382748872 is 2788472831.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 691374436 + 691374436 = 26294^2 + 26294^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=26294.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1382748872.

It is not an unprimeable number, because it can be changed into a prime (1382748877) 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 2 ways as a sum of consecutive naturals, for example, 98603 + ... + 111749.

Almost surely, 2^1382748872 is an apocalyptic number.

It is an amenable number.

1382748872 is a deficient number, since it is larger than the sum of its proper divisors (1210102483).

1382748872 is an frugal number, since it uses more digits than its factorization.

1382748872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26300 (or 13149 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 50.

The square root of 1382748872 is about 37185.3314090382. The cubic root of 1382748872 is about 1114.0750228551.

Multiplying 1382748872 by its sum of digits (50), we get a square (69137443600 = 262940²).

The spelling of 1382748872 in words is "one billion, three hundred eighty-two million, seven hundred forty-eight thousand, eight hundred seventy-two".