108387513 has 12 divisors (see below), whose sum is σ = 168602980. Its totient is φ = 66699936.

The previous prime is 108387511. The next prime is 108387527. The reversal of 108387513 is 315783801.

108387513 is a `hidden beast` number, since 108 + 38 + 7 + 513 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 25431849 + 82955664 = 5043^2 + 9108^2 .

It is not a de Polignac number, because 108387513 - 2¹ = 108387511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108387511) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 463078 + ... + 463311.

Almost surely, 2^108387513 is an apocalyptic number.

108387513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

108387513 is a deficient number, since it is larger than the sum of its proper divisors (60215467).

108387513 is a wasteful number, since it uses less digits than its factorization.

108387513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926408 (or 926405 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 108387513 is about 10410.9323789947. The cubic root of 108387513 is about 476.7892084461.

It can be divided in two parts, 108387 and 513, that added together give a square (108900 = 330²).

The spelling of 108387513 in words is "one hundred eight million, three hundred eighty-seven thousand, five hundred thirteen".