21262114 has 8 divisors (see below), whose sum is σ = 31913388. Its totient is φ = 10624320.

The previous prime is 21262103. The next prime is 21262117. The reversal of 21262114 is 41126212.

It can be written as a sum of positive squares in 2 ways, for example, as 20748025 + 514089 = 4555^2 + 717^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 21262091 and 21262100.

It is not an unprimeable number, because it can be changed into a prime (21262117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2934 + ... + 7150.

Almost surely, 2^21262114 is an apocalyptic number.

21262114 is a deficient number, since it is larger than the sum of its proper divisors (10651274).

21262114 is a wasteful number, since it uses less digits than its factorization.

21262114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6740.

The product of its digits is 192, while the sum is 19.

The square root of 21262114 is about 4611.0859892221. The cubic root of 21262114 is about 277.0355361100.

Adding to 21262114 its reverse (41126212), we get a palindrome (62388326).

It can be divided in two parts, 212 and 62114, that added together give a palindrome (62326).

The spelling of 21262114 in words is "twenty-one million, two hundred sixty-two thousand, one hundred fourteen".