19048013 has 4 divisors (see below), whose sum is σ = 20050560. Its totient is φ = 18045468.

The previous prime is 19048009. The next prime is 19048027. The reversal of 19048013 is 31084091.

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 19048013 - 2² = 19048009 is a prime.

It is a super-3 number, since 3×19048013³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19048063) 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 3 ways as a sum of consecutive naturals, for example, 501245 + ... + 501282.

It is an arithmetic number, because the mean of its divisors is an integer number (5012640).

Almost surely, 2^19048013 is an apocalyptic number.

It is an amenable number.

19048013 is a deficient number, since it is larger than the sum of its proper divisors (1002547).

19048013 is a wasteful number, since it uses less digits than its factorization.

19048013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002546.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 19048013 is about 4364.4029374016. The cubic root of 19048013 is about 267.0647441732.

The spelling of 19048013 in words is "nineteen million, forty-eight thousand, thirteen".