19013628 has 12 divisors (see below), whose sum is σ = 44365160. Its totient is φ = 6337872.

The previous prime is 19013609. The next prime is 19013629. The reversal of 19013628 is 82631091.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 19013595 and 19013604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19013629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 792223 + ... + 792246.

Almost surely, 2^19013628 is an apocalyptic number.

It is an amenable number.

19013628 is an abundant number, since it is smaller than the sum of its proper divisors (25351532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19013628 is a wasteful number, since it uses less digits than its factorization.

19013628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584476 (or 1584474 counting only the distinct ones).

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

The square root of 19013628 is about 4360.4619021384. The cubic root of 19013628 is about 266.9039478313.

The spelling of 19013628 in words is "nineteen million, thirteen thousand, six hundred twenty-eight".