19213696 has 16 divisors (see below), whose sum is σ = 38277540. Its totient is φ = 9606784.

The previous prime is 19213679. The next prime is 19213697. The reversal of 19213696 is 69631291.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×19213696² = 738332227960832, which contains 22 as substring.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19213697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74926 + ... + 75181.

Almost surely, 2^19213696 is an apocalyptic number.

19213696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19213696 is a deficient number, since it is larger than the sum of its proper divisors (19063844).

19213696 is an equidigital number, since it uses as much as digits as its factorization.

19213696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150121 (or 150109 counting only the distinct ones).

The product of its digits is 17496, while the sum is 37.

The square root of 19213696 is about 4383.3430164659. The cubic root of 19213696 is about 267.8368354111.

The spelling of 19213696 in words is "nineteen million, two hundred thirteen thousand, six hundred ninety-six".