13734405 has 12 divisors (see below), whose sum is σ = 23806380. Its totient is φ = 7324992.

The previous prime is 13734389. The next prime is 13734407. The reversal of 13734405 is 50443731.

13734405 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6937956 + 6796449 = 2634^2 + 2607^2 .

It is not a de Polignac number, because 13734405 - 2⁴ = 13734389 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13734407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152560 + ... + 152649.

It is an arithmetic number, because the mean of its divisors is an integer number (1983865).

Almost surely, 2^13734405 is an apocalyptic number.

13734405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13734405 is a deficient number, since it is larger than the sum of its proper divisors (10071975).

13734405 is a wasteful number, since it uses less digits than its factorization.

13734405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305220 (or 305217 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 13734405 is about 3705.9958175907. The cubic root of 13734405 is about 239.4803862350.

It can be divided in two parts, 1373 and 4405, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 13734405 in words is "thirteen million, seven hundred thirty-four thousand, four hundred five".