21269314 has 16 divisors (see below), whose sum is σ = 34914240. Its totient is φ = 9637360.

The previous prime is 21269299. The next prime is 21269321. The reversal of 21269314 is 41396212.

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, 6552 + ... + 9244.

It is an arithmetic number, because the mean of its divisors is an integer number (2182140).

Almost surely, 2^21269314 is an apocalyptic number.

21269314 is a deficient number, since it is larger than the sum of its proper divisors (13644926).

21269314 is a wasteful number, since it uses less digits than its factorization.

21269314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065.

The product of its digits is 2592, while the sum is 28.

The square root of 21269314 is about 4611.8666502838. The cubic root of 21269314 is about 277.0668034737.

The spelling of 21269314 in words is "twenty-one million, two hundred sixty-nine thousand, three hundred fourteen".