21014594 has 16 divisors (see below), whose sum is σ = 33784128. Its totient is φ = 9778032.

The previous prime is 21014579. The next prime is 21014597. The reversal of 21014594 is 49541012.

It is a super-2 number, since 2×21014594² = 883226321969672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21014597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4472 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (2111508).

Almost surely, 2^21014594 is an apocalyptic number.

21014594 is a deficient number, since it is larger than the sum of its proper divisors (12769534).

21014594 is a wasteful number, since it uses less digits than its factorization.

21014594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12409.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 21014594 is about 4584.1677543476. The cubic root of 21014594 is about 275.9563135364.

The spelling of 21014594 in words is "twenty-one million, fourteen thousand, five hundred ninety-four".