19412807 has 2 divisors, whose sum is σ = 19412808. Its totient is φ = 19412806.

The previous prime is 19412779. The next prime is 19412843. The reversal of 19412807 is 70821491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19412807 - 2¹⁰ = 19411783 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19412857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9706403 + 9706404.

It is an arithmetic number, because the mean of its divisors is an integer number (9706404).

Almost surely, 2^19412807 is an apocalyptic number.

19412807 is a deficient number, since it is larger than the sum of its proper divisors (1).

19412807 is an equidigital number, since it uses as much as digits as its factorization.

19412807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 19412807 is about 4405.9967090319. The cubic root of 19412807 is about 268.7588529984.

The spelling of 19412807 in words is "nineteen million, four hundred twelve thousand, eight hundred seven".