21246962 has 16 divisors (see below), whose sum is σ = 35359200. Its totient is φ = 9493440.

The previous prime is 21246949. The next prime is 21246983. The reversal of 21246962 is 26964212.

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, 6887 + ... + 9482.

It is an arithmetic number, because the mean of its divisors is an integer number (2209950).

Almost surely, 2^21246962 is an apocalyptic number.

21246962 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21246962 is a deficient number, since it is larger than the sum of its proper divisors (14112238).

21246962 is a wasteful number, since it uses less digits than its factorization.

21246962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16441.

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

The square root of 21246962 is about 4609.4426995028. The cubic root of 21246962 is about 276.9697126151.

It can be divided in two parts, 212 and 46962, that added together give a palindrome (47174).

The spelling of 21246962 in words is "twenty-one million, two hundred forty-six thousand, nine hundred sixty-two".