10421712 has 120 divisors (see below), whose sum is σ = 34174400. Its totient is φ = 2963520.

The previous prime is 10421711. The next prime is 10421713. The reversal of 10421712 is 21712401.

It is an interprime number because it is at equal distance from previous prime (10421711) and next prime (10421713).

It is a super-2 number, since 2×10421712² = 217224162021888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49287 + ... + 49497.

Almost surely, 2^10421712 is an apocalyptic number.

10421712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10421712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17087200).

10421712 is an abundant number, since it is smaller than the sum of its proper divisors (23752688).

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

10421712 is a wasteful number, since it uses less digits than its factorization.

10421712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 18.

The square root of 10421712 is about 3228.2676468967. The cubic root of 10421712 is about 218.4303705300.

The spelling of 10421712 in words is "ten million, four hundred twenty-one thousand, seven hundred twelve".