19419612 has 24 divisors (see below), whose sum is σ = 45419136. Its totient is φ = 6457968.

The previous prime is 19419611. The next prime is 19419641. The reversal of 19419612 is 21691491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19419611) 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 7 ways as a sum of consecutive naturals, for example, 4183 + ... + 7505.

It is an arithmetic number, because the mean of its divisors is an integer number (1892464).

Almost surely, 2^19419612 is an apocalyptic number.

19419612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19419612 is an abundant number, since it is smaller than the sum of its proper divisors (25999524).

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

19419612 is a wasteful number, since it uses less digits than its factorization.

19419612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817 (or 3815 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 19419612 is about 4406.7688843415. The cubic root of 19419612 is about 268.7902530656.

The spelling of 19419612 in words is "nineteen million, four hundred nineteen thousand, six hundred twelve".