1386912033 has 24 divisors (see below), whose sum is σ = 2215734248. Its totient is φ = 830414592.

The previous prime is 1386912031. The next prime is 1386912041. The reversal of 1386912033 is 3302196831.

It can be written as a sum of positive squares in 4 ways, for example, as 277822224 + 1109089809 = 16668^2 + 33303^2 .

It is not a de Polignac number, because 1386912033 - 2¹ = 1386912031 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1386912031) 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 23 ways as a sum of consecutive naturals, for example, 155860 + ... + 164517.

Almost surely, 2^1386912033 is an apocalyptic number.

1386912033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1386912033 is a deficient number, since it is larger than the sum of its proper divisors (828822215).

1386912033 is a wasteful number, since it uses less digits than its factorization.

1386912033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320433 (or 320430 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1386912033 is about 37241.2678758390. The cubic root of 1386912033 is about 1115.1919831365.

The spelling of 1386912033 in words is "one billion, three hundred eighty-six million, nine hundred twelve thousand, thirty-three".