19316013 has 8 divisors (see below), whose sum is σ = 26302848. Its totient is φ = 12603264.

The previous prime is 19315991. The next prime is 19316023. The reversal of 19316013 is 31061391.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19316013 - 2⁹ = 19315501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19316023) 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, 68356 + ... + 68637.

It is an arithmetic number, because the mean of its divisors is an integer number (3287856).

Almost surely, 2^19316013 is an apocalyptic number.

It is an amenable number.

19316013 is a deficient number, since it is larger than the sum of its proper divisors (6986835).

19316013 is a wasteful number, since it uses less digits than its factorization.

19316013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137043.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 19316013 is about 4394.9986348121. The cubic root of 19316013 is about 268.3114232675.

The spelling of 19316013 in words is "nineteen million, three hundred sixteen thousand, thirteen".