10621371 has 4 divisors (see below), whose sum is σ = 14161832. Its totient is φ = 7080912.

The previous prime is 10621343. The next prime is 10621397. The reversal of 10621371 is 17312601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10621371 - 2⁵ = 10621339 is a prime.

It is a super-2 number, since 2×10621371² = 225627043839282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10622371) 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 3 ways as a sum of consecutive naturals, for example, 1770226 + ... + 1770231.

It is an arithmetic number, because the mean of its divisors is an integer number (3540458).

Almost surely, 2^10621371 is an apocalyptic number.

10621371 is a deficient number, since it is larger than the sum of its proper divisors (3540461).

10621371 is an equidigital number, since it uses as much as digits as its factorization.

10621371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540460.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 10621371 is about 3259.0444918718. The cubic root of 10621371 is about 219.8164515893.

Adding to 10621371 its reverse (17312601), we get a palindrome (27933972).

The spelling of 10621371 in words is "ten million, six hundred twenty-one thousand, three hundred seventy-one".