19268013 has 8 divisors (see below), whose sum is σ = 25720576. Its totient is φ = 12830400.

The previous prime is 19267961. The next prime is 19268017. The reversal of 19268013 is 31086291.

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

It is not a de Polignac number, because 19268013 - 2⁶ = 19267949 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 (19268017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 268 + ... + 6213.

It is an arithmetic number, because the mean of its divisors is an integer number (3215072).

Almost surely, 2^19268013 is an apocalyptic number.

It is an amenable number.

19268013 is a deficient number, since it is larger than the sum of its proper divisors (6452563).

19268013 is an equidigital number, since it uses as much as digits as its factorization.

19268013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7475.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 19268013 is about 4389.5344855691. The cubic root of 19268013 is about 268.0889889749.

The spelling of 19268013 in words is "nineteen million, two hundred sixty-eight thousand, thirteen".