19429212 has 36 divisors (see below), whose sum is σ = 49834568. Its totient is φ = 5887200.

The previous prime is 19429187. The next prime is 19429213. The reversal of 19429212 is 21292491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19429212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19429213) 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 11 ways as a sum of consecutive naturals, for example, 5239 + ... + 8142.

Almost surely, 2^19429212 is an apocalyptic number.

19429212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19429212 is an abundant number, since it is smaller than the sum of its proper divisors (30405356).

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

19429212 is a wasteful number, since it uses less digits than its factorization.

19429212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410 (or 13397 counting only the distinct ones).

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

The square root of 19429212 is about 4407.8579831932. The cubic root of 19429212 is about 268.8345375300.

The spelling of 19429212 in words is "nineteen million, four hundred twenty-nine thousand, two hundred twelve".