19426212 has 108 divisors (see below), whose sum is σ = 55421184. Its totient is φ = 5728320.

The previous prime is 19426207. The next prime is 19426217. The reversal of 19426212 is 21262491.

It is an interprime number because it is at equal distance from previous prime (19426207) and next prime (19426217).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (19426217) 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 35 ways as a sum of consecutive naturals, for example, 188553 + ... + 188655.

Almost surely, 2^19426212 is an apocalyptic number.

19426212 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 19426212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27710592).

19426212 is an abundant number, since it is smaller than the sum of its proper divisors (35994972).

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

19426212 is a wasteful number, since it uses less digits than its factorization.

19426212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 152 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 19426212 is about 4407.5176687110. The cubic root of 19426212 is about 268.8207002022.

The spelling of 19426212 in words is "nineteen million, four hundred twenty-six thousand, two hundred twelve".