21246296 has 16 divisors (see below), whose sum is σ = 41569200. Its totient is φ = 10161184.

The previous prime is 21246287. The next prime is 21246307. The reversal of 21246296 is 69264212.

It is a congruent number.

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, 57551 + ... + 57918.

It is an arithmetic number, because the mean of its divisors is an integer number (2598075).

Almost surely, 2^21246296 is an apocalyptic number.

It is an amenable number.

21246296 is a deficient number, since it is larger than the sum of its proper divisors (20322904).

21246296 is a wasteful number, since it uses less digits than its factorization.

21246296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115498 (or 115494 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 21246296 is about 4609.3704559300. The cubic root of 21246296 is about 276.9668186522.

The spelling of 21246296 in words is "twenty-one million, two hundred forty-six thousand, two hundred ninety-six".