19614013 has 4 divisors (see below), whose sum is σ = 19696320. Its totient is φ = 19531708.

The previous prime is 19613987. The next prime is 19614017. The reversal of 19614013 is 31041691.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31041691 = 307 ⋅101113.

It is a cyclic number.

It is not a de Polignac number, because 19614013 - 2⁹ = 19613501 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 (19614017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40795 + ... + 41272.

It is an arithmetic number, because the mean of its divisors is an integer number (4924080).

Almost surely, 2^19614013 is an apocalyptic number.

It is an amenable number.

19614013 is a deficient number, since it is larger than the sum of its proper divisors (82307).

19614013 is an equidigital number, since it uses as much as digits as its factorization.

19614013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82306.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 19614013 is about 4428.7710484964. The cubic root of 19614013 is about 269.6841895067.

The spelling of 19614013 in words is "nineteen million, six hundred fourteen thousand, thirteen".