19328413 has 16 divisors (see below), whose sum is σ = 21732480. Its totient is φ = 17067456.

The previous prime is 19328389. The next prime is 19328417. The reversal of 19328413 is 31482391.

It is a cyclic number.

It is not a de Polignac number, because 19328413 - 2⁵ = 19328381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19328417) 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, 62806 + ... + 63112.

It is an arithmetic number, because the mean of its divisors is an integer number (1358280).

Almost surely, 2^19328413 is an apocalyptic number.

19328413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19328413 is a deficient number, since it is larger than the sum of its proper divisors (2404067).

19328413 is a wasteful number, since it uses less digits than its factorization.

19328413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516.

The product of its digits is 5184, while the sum is 31.

The square root of 19328413 is about 4396.4091028930. The cubic root of 19328413 is about 268.3688255544.

The spelling of 19328413 in words is "nineteen million, three hundred twenty-eight thousand, four hundred thirteen".