19212934 has 12 divisors (see below), whose sum is σ = 31207356. Its totient is φ = 8867352.

The previous prime is 19212931. The next prime is 19212961. The reversal of 19212934 is 43921291.

It is a junction number, because it is equal to n+sod(n) for n = 19212896 and 19212905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19212931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28084 + ... + 28759.

It is an arithmetic number, because the mean of its divisors is an integer number (2600613).

Almost surely, 2^19212934 is an apocalyptic number.

19212934 is a deficient number, since it is larger than the sum of its proper divisors (11994422).

19212934 is a wasteful number, since it uses less digits than its factorization.

19212934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56871 (or 56858 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 19212934 is about 4383.2560956440. The cubic root of 19212934 is about 267.8332946319.

The spelling of 19212934 in words is "nineteen million, two hundred twelve thousand, nine hundred thirty-four".