13423605 has 64 divisors (see below), whose sum is σ = 25062912. Its totient is φ = 6082560.

The previous prime is 13423583. The next prime is 13423643. The reversal of 13423605 is 50632431.

It is a happy number.

It is not a de Polignac number, because 13423605 - 2⁵ = 13423573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 183849 + ... + 183921.

It is an arithmetic number, because the mean of its divisors is an integer number (391608).

Almost surely, 2^13423605 is an apocalyptic number.

13423605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13423605 is a deficient number, since it is larger than the sum of its proper divisors (11639307).

13423605 is a wasteful number, since it uses less digits than its factorization.

13423605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 13423605 is about 3663.8238221836. The cubic root of 13423605 is about 237.6601615898.

It can be divided in two parts, 13423 and 605, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13423605 in words is "thirteen million, four hundred twenty-three thousand, six hundred five".