21014026 has 8 divisors (see below), whose sum is σ = 34386624. Its totient is φ = 9551820.

The previous prime is 21013997. The next prime is 21014041. The reversal of 21014026 is 62041012.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477570 + ... + 477613.

It is an arithmetic number, because the mean of its divisors is an integer number (4298328).

Almost surely, 2^21014026 is an apocalyptic number.

21014026 is a deficient number, since it is larger than the sum of its proper divisors (13372598).

21014026 is a wasteful number, since it uses less digits than its factorization.

21014026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955196.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21014026 is about 4584.1058015713. The cubic root of 21014026 is about 275.9538272547.

Adding to 21014026 its reverse (62041012), we get a palindrome (83055038).

The spelling of 21014026 in words is "twenty-one million, fourteen thousand, twenty-six".