21496083 has 16 divisors (see below), whose sum is σ = 32839680. Its totient is φ = 12252096.

The previous prime is 21496067. The next prime is 21496093. The reversal of 21496083 is 38069412.

It is not a de Polignac number, because 21496083 - 2⁴ = 21496067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21496003) 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 15 ways as a sum of consecutive naturals, for example, 8991 + ... + 11127.

It is an arithmetic number, because the mean of its divisors is an integer number (2052480).

Almost surely, 2^21496083 is an apocalyptic number.

21496083 is a deficient number, since it is larger than the sum of its proper divisors (11343597).

21496083 is a wasteful number, since it uses less digits than its factorization.

21496083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 21496083 is about 4636.3868475355. The cubic root of 21496083 is about 278.0480007862.

The spelling of 21496083 in words is "twenty-one million, four hundred ninety-six thousand, eighty-three".