115213686 has 16 divisors (see below), whose sum is σ = 263345664. Its totient is φ = 32918184.

The previous prime is 115213667. The next prime is 115213699. The reversal of 115213686 is 686312511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1371550 + ... + 1371633.

It is an arithmetic number, because the mean of its divisors is an integer number (16459104).

Almost surely, 2^115213686 is an apocalyptic number.

115213686 is an abundant number, since it is smaller than the sum of its proper divisors (148131978).

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

115213686 is a wasteful number, since it uses less digits than its factorization.

115213686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743195.

The product of its digits is 8640, while the sum is 33.

The square root of 115213686 is about 10733.7638319464. The cubic root of 115213686 is about 486.5954276367.

The spelling of 115213686 in words is "one hundred fifteen million, two hundred thirteen thousand, six hundred eighty-six".