10921417 has 4 divisors (see below), whose sum is σ = 11761540. Its totient is φ = 10081296.

The previous prime is 10921411. The next prime is 10921423. The reversal of 10921417 is 71412901.

10921417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71412901 = 7 ⋅10201843.

It is an interprime number because it is at equal distance from previous prime (10921411) and next prime (10921423).

It can be written as a sum of positive squares in 2 ways, for example, as 3059001 + 7862416 = 1749^2 + 2804^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10921417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10921391 and 10921400.

It is not an unprimeable number, because it can be changed into a prime (10921411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420042 + ... + 420067.

It is an arithmetic number, because the mean of its divisors is an integer number (2940385).

Almost surely, 2^10921417 is an apocalyptic number.

It is an amenable number.

10921417 is a deficient number, since it is larger than the sum of its proper divisors (840123).

10921417 is an equidigital number, since it uses as much as digits as its factorization.

10921417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840122.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 10921417 is about 3304.7567232703. The cubic root of 10921417 is about 221.8671458438.

The spelling of 10921417 in words is "ten million, nine hundred twenty-one thousand, four hundred seventeen".