19059912 has 48 divisors (see below), whose sum is σ = 52151580. Its totient is φ = 6288000.

The previous prime is 19059829. The next prime is 19059917. The reversal of 19059912 is 21995091.

It can be written as a sum of positive squares in 2 ways, for example, as 15163236 + 3896676 = 3894^2 + 1974^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (19059917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5962 + ... + 8582.

Almost surely, 2^19059912 is an apocalyptic number.

19059912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19059912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26075790).

19059912 is an abundant number, since it is smaller than the sum of its proper divisors (33091668).

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

19059912 is a wasteful number, since it uses less digits than its factorization.

19059912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 19059912 is about 4365.7659121854. The cubic root of 19059912 is about 267.1203430067.

The spelling of 19059912 in words is "nineteen million, fifty-nine thousand, nine hundred twelve".