21014034 has 16 divisors (see below), whose sum is σ = 42143520. Its totient is φ = 6985440.

The previous prime is 21013997. The next prime is 21014041. The reversal of 21014034 is 43041012.

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, 2347 + ... + 6894.

It is an arithmetic number, because the mean of its divisors is an integer number (2633970).

Almost surely, 2^21014034 is an apocalyptic number.

21014034 is an abundant number, since it is smaller than the sum of its proper divisors (21129486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21014034 is a wasteful number, since it uses less digits than its factorization.

21014034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 21014034 is about 4584.1066741515. The cubic root of 21014034 is about 275.9538622731.

Adding to 21014034 its reverse (43041012), we get a palindrome (64055046).

The spelling of 21014034 in words is "twenty-one million, fourteen thousand, thirty-four".