19248972 has 12 divisors (see below), whose sum is σ = 44914296. Its totient is φ = 6416320.

The previous prime is 19248961. The next prime is 19248997. The reversal of 19248972 is 27984291.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

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, 802029 + ... + 802052.

It is an arithmetic number, because the mean of its divisors is an integer number (3742858).

Almost surely, 2^19248972 is an apocalyptic number.

19248972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19248972 is an abundant number, since it is smaller than the sum of its proper divisors (25665324).

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

19248972 is a wasteful number, since it uses less digits than its factorization.

19248972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604088 (or 1604086 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 19248972 is about 4387.3650406594. The cubic root of 19248972 is about 268.0006497348. Note that the first 3 decimals are identical.

The spelling of 19248972 in words is "nineteen million, two hundred forty-eight thousand, nine hundred seventy-two".