109247013 has 12 divisors (see below), whose sum is σ = 157992588. Its totient is φ = 72743040.

The previous prime is 109247011. The next prime is 109247023. The reversal of 109247013 is 310742901.

It can be written as a sum of positive squares in 2 ways, for example, as 64931364 + 44315649 = 8058^2 + 6657^2 .

It is not a de Polignac number, because 109247013 - 2¹ = 109247011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109247011) 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 11 ways as a sum of consecutive naturals, for example, 973 + ... + 14813.

It is an arithmetic number, because the mean of its divisors is an integer number (13166049).

Almost surely, 2^109247013 is an apocalyptic number.

It is an amenable number.

109247013 is a deficient number, since it is larger than the sum of its proper divisors (48745575).

109247013 is a wasteful number, since it uses less digits than its factorization.

109247013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14724 (or 14721 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 109247013 is about 10452.1295916191. The cubic root of 109247013 is about 478.0461854966.

Adding to 109247013 its reverse (310742901), we get a palindrome (419989914).

The spelling of 109247013 in words is "one hundred nine million, two hundred forty-seven thousand, thirteen".