13913086 has 16 divisors (see below), whose sum is σ = 23109120. Its totient is φ = 6229080.

The previous prime is 13913077. The next prime is 13913093. The reversal of 13913086 is 68031931.

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, 3246 + ... + 6193.

It is an arithmetic number, because the mean of its divisors is an integer number (1444320).

Almost surely, 2^13913086 is an apocalyptic number.

13913086 is a deficient number, since it is larger than the sum of its proper divisors (9196034).

13913086 is a wasteful number, since it uses less digits than its factorization.

13913086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 13913086 is about 3730.0249328925. The cubic root of 13913086 is about 240.5144404894.

It can be divided in two parts, 139 and 13086, that added together give a square (13225 = 115²).

The spelling of 13913086 in words is "thirteen million, nine hundred thirteen thousand, eighty-six".