21714026 has 8 divisors (see below), whose sum is σ = 32742144. Its totient is φ = 10799980.

The previous prime is 21714023. The next prime is 21714029. The reversal of 21714026 is 62041712.

It is an interprime number because it is at equal distance from previous prime (21714023) and next prime (21714029).

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 = 21713992 and 21714010.

It is not an unprimeable number, because it can be changed into a prime (21714023) 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, 28040 + ... + 28803.

It is an arithmetic number, because the mean of its divisors is an integer number (4092768).

Almost surely, 2^21714026 is an apocalyptic number.

21714026 is a deficient number, since it is larger than the sum of its proper divisors (11028118).

21714026 is a wasteful number, since it uses less digits than its factorization.

21714026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57036.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 21714026 is about 4659.8311128194. The cubic root of 21714026 is about 278.9845274325.

Adding to 21714026 its reverse (62041712), we get a palindrome (83755738).

The spelling of 21714026 in words is "twenty-one million, seven hundred fourteen thousand, twenty-six".