19214913 has 16 divisors (see below), whose sum is σ = 28308096. Its totient is φ = 11531520.

The previous prime is 19214903. The next prime is 19214917. The reversal of 19214913 is 31941291.

It is not a de Polignac number, because 19214913 - 2¹⁰ = 19213889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19214917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7018 + ... + 9363.

It is an arithmetic number, because the mean of its divisors is an integer number (1769256).

Almost surely, 2^19214913 is an apocalyptic number.

It is an amenable number.

19214913 is a deficient number, since it is larger than the sum of its proper divisors (9093183).

19214913 is a wasteful number, since it uses less digits than its factorization.

19214913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16424.

The product of its digits is 1944, while the sum is 30.

The square root of 19214913 is about 4383.4818352538. The cubic root of 19214913 is about 267.8424902410.

The spelling of 19214913 in words is "nineteen million, two hundred fourteen thousand, nine hundred thirteen".