19200913 has 4 divisors (see below), whose sum is σ = 19297600. Its totient is φ = 19104228.

The previous prime is 19200869. The next prime is 19200931. The reversal of 19200913 is 31900291.

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.

It is a cyclic number.

It is not a de Polignac number, because 19200913 - 2¹³ = 19192721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19200953) 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, 48045 + ... + 48442.

It is an arithmetic number, because the mean of its divisors is an integer number (4824400).

Almost surely, 2^19200913 is an apocalyptic number.

It is an amenable number.

19200913 is a deficient number, since it is larger than the sum of its proper divisors (96687).

19200913 is an equidigital number, since it uses as much as digits as its factorization.

19200913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96686.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 19200913 is about 4381.8846401976. The cubic root of 19200913 is about 267.7774243565. Note that the first 3 decimals are identical.

The spelling of 19200913 in words is "nineteen million, two hundred thousand, nine hundred thirteen".