19212085 has 8 divisors (see below), whose sum is σ = 23103360. Its totient is φ = 15337104.

The previous prime is 19212077. The next prime is 19212113. The reversal of 19212085 is 58021291.

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

It is a cyclic number.

It is not a de Polignac number, because 19212085 - 2³ = 19212077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1305 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (2887920).

Almost surely, 2^19212085 is an apocalyptic number.

It is an amenable number.

19212085 is a deficient number, since it is larger than the sum of its proper divisors (3891275).

19212085 is an equidigital number, since it uses as much as digits as its factorization.

19212085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 19212085 is about 4383.1592487611. The cubic root of 19212085 is about 267.8293494802.

The spelling of 19212085 in words is "nineteen million, two hundred twelve thousand, eighty-five".