10707421 has 4 divisors (see below), whose sum is σ = 10854172. Its totient is φ = 10560672.

The previous prime is 10707413. The next prime is 10707427. The reversal of 10707421 is 12470701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12470701 = 577 ⋅21613.

It can be written as a sum of positive squares in 2 ways, for example, as 4020025 + 6687396 = 2005^2 + 2586^2 .

It is a cyclic number.

It is not a de Polignac number, because 10707421 - 2³ = 10707413 is a prime.

It is a super-2 number, since 2×10707421² = 229297728942482, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10707392 and 10707401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10707427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73266 + ... + 73411.

It is an arithmetic number, because the mean of its divisors is an integer number (2713543).

Almost surely, 2^10707421 is an apocalyptic number.

It is an amenable number.

10707421 is a deficient number, since it is larger than the sum of its proper divisors (146751).

10707421 is an equidigital number, since it uses as much as digits as its factorization.

10707421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146750.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 10707421 is about 3272.2195830965. The cubic root of 10707421 is about 220.4084766443.

The spelling of 10707421 in words is "ten million, seven hundred seven thousand, four hundred twenty-one".