19214313 has 4 divisors (see below), whose sum is σ = 25619088. Its totient is φ = 12809540.

The previous prime is 19214309. The next prime is 19214323. The reversal of 19214313 is 31341291.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19214313 - 2² = 19214309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19214323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3202383 + ... + 3202388.

It is an arithmetic number, because the mean of its divisors is an integer number (6404772).

Almost surely, 2^19214313 is an apocalyptic number.

It is an amenable number.

19214313 is a deficient number, since it is larger than the sum of its proper divisors (6404775).

19214313 is an equidigital number, since it uses as much as digits as its factorization.

19214313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404774.

The product of its digits is 648, while the sum is 24.

The square root of 19214313 is about 4383.4133959735. The cubic root of 19214313 is about 267.8397023514.

The spelling of 19214313 in words is "nineteen million, two hundred fourteen thousand, three hundred thirteen".