13926705 has 16 divisors (see below), whose sum is σ = 23997120. Its totient is φ = 6856128.

The previous prime is 13926697. The next prime is 13926709. The reversal of 13926705 is 50762931.

It is not a de Polignac number, because 13926705 - 2³ = 13926697 is a prime.

It is a super-3 number, since 3×13926705³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (13926709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35515 + ... + 35904.

It is an arithmetic number, because the mean of its divisors is an integer number (1499820).

Almost surely, 2^13926705 is an apocalyptic number.

13926705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13926705 is a deficient number, since it is larger than the sum of its proper divisors (10070415).

13926705 is a wasteful number, since it uses less digits than its factorization.

13926705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71440.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 13926705 is about 3731.8500773745. The cubic root of 13926705 is about 240.5928917634.

It can be divided in two parts, 1392 and 6705, that multiplied together give a triangular number (9333360 = T₄₃₂₀).

The spelling of 13926705 in words is "thirteen million, nine hundred twenty-six thousand, seven hundred five".