19913352 has 16 divisors (see below), whose sum is σ = 49783440. Its totient is φ = 6637776.

The previous prime is 19913339. The next prime is 19913353. The reversal of 19913352 is 25331991.

It is not an unprimeable number, because it can be changed into a prime (19913353) 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 3 ways as a sum of consecutive naturals, for example, 414838 + ... + 414885.

It is an arithmetic number, because the mean of its divisors is an integer number (3111465).

Almost surely, 2^19913352 is an apocalyptic number.

19913352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19913352 is an abundant number, since it is smaller than the sum of its proper divisors (29870088).

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

19913352 is a wasteful number, since it uses less digits than its factorization.

19913352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829732 (or 829728 counting only the distinct ones).

The product of its digits is 7290, while the sum is 33.

The square root of 19913352 is about 4462.4378987276. The cubic root of 19913352 is about 271.0491960994.

The spelling of 19913352 in words is "nineteen million, nine hundred thirteen thousand, three hundred fifty-two".