13702405 has 8 divisors (see below), whose sum is σ = 16844184. Its totient is φ = 10694400.

The previous prime is 13702397. The next prime is 13702417. The reversal of 13702405 is 50420731.

It can be written as a sum of positive squares in 4 ways, for example, as 34596 + 13667809 = 186^2 + 3697^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13702405 - 2³ = 13702397 is a prime.

It is a Duffinian number.

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, 33216 + ... + 33625.

It is an arithmetic number, because the mean of its divisors is an integer number (2105523).

Almost surely, 2^13702405 is an apocalyptic number.

It is an amenable number.

13702405 is a deficient number, since it is larger than the sum of its proper divisors (3141779).

13702405 is an equidigital number, since it uses as much as digits as its factorization.

13702405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66887.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13702405 is about 3701.6759717728. The cubic root of 13702405 is about 239.2942519310.

The spelling of 13702405 in words is "thirteen million, seven hundred two thousand, four hundred five".