19954712 has 32 divisors (see below), whose sum is σ = 40143600. Its totient is φ = 9270144.

The previous prime is 19954699. The next prime is 19954717. The reversal of 19954712 is 21745991.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19954717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6818 + ... + 9294.

Almost surely, 2^19954712 is an apocalyptic number.

It is an amenable number.

19954712 is an abundant number, since it is smaller than the sum of its proper divisors (20188888).

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

19954712 is a wasteful number, since it uses less digits than its factorization.

19954712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2551 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The square root of 19954712 is about 4467.0697330577. The cubic root of 19954712 is about 271.2367225763.

The spelling of 19954712 in words is "nineteen million, nine hundred fifty-four thousand, seven hundred twelve".