10821701 has 4 divisors (see below), whose sum is σ = 11805504. Its totient is φ = 9837900.

The previous prime is 10821689. The next prime is 10821709. The reversal of 10821701 is 10712801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10712801 = 11 ⋅973891.

It is a cyclic number.

It is not a de Polignac number, because 10821701 - 2¹⁴ = 10805317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10821709) 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, 491885 + ... + 491906.

It is an arithmetic number, because the mean of its divisors is an integer number (2951376).

Almost surely, 2^10821701 is an apocalyptic number.

10821701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10821701 is a deficient number, since it is larger than the sum of its proper divisors (983803).

10821701 is an equidigital number, since it uses as much as digits as its factorization.

10821701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983802.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 10821701 is about 3289.6353901306. The cubic root of 10821701 is about 221.1898411775.

Subtracting from 10821701 its reverse (10712801), we obtain a square (108900 = 330²).

The spelling of 10821701 in words is "ten million, eight hundred twenty-one thousand, seven hundred one".