19835013 has 8 divisors (see below), whose sum is σ = 28850976. Its totient is φ = 12021200.

The previous prime is 19834999. The next prime is 19835017. The reversal of 19835013 is 31053891.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 19835013 - 2⁶ = 19834949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19835017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300498 + ... + 300563.

It is an arithmetic number, because the mean of its divisors is an integer number (3606372).

Almost surely, 2^19835013 is an apocalyptic number.

It is an amenable number.

19835013 is a deficient number, since it is larger than the sum of its proper divisors (9015963).

19835013 is a wasteful number, since it uses less digits than its factorization.

19835013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601075.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 19835013 is about 4453.6516478054. The cubic root of 19835013 is about 270.6932937141.

It can be divided in two parts, 1983 and 5013, that added together give a palindrome (6996).

The spelling of 19835013 in words is "nineteen million, eight hundred thirty-five thousand, thirteen".