19426012 has 6 divisors (see below), whose sum is σ = 33995528. Its totient is φ = 9713004.

The previous prime is 19426003. The next prime is 19426013. The reversal of 19426012 is 21062491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19426013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2428248 + ... + 2428255.

Almost surely, 2^19426012 is an apocalyptic number.

It is an amenable number.

19426012 is a deficient number, since it is larger than the sum of its proper divisors (14569516).

19426012 is a wasteful number, since it uses less digits than its factorization.

19426012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856507 (or 4856505 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 19426012 is about 4407.4949801446. The cubic root of 19426012 is about 268.8197776630.

The spelling of 19426012 in words is "nineteen million, four hundred twenty-six thousand, twelve".