10571216 has 20 divisors (see below), whose sum is σ = 20540352. Its totient is φ = 5270496.

The previous prime is 10571213. The next prime is 10571219. The reversal of 10571216 is 61217501.

It is an interprime number because it is at equal distance from previous prime (10571213) and next prime (10571219).

It is a super-2 number, since 2×10571216² = 223501215437312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10571191 and 10571200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10571213) 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, 6695 + ... + 8121.

Almost surely, 2^10571216 is an apocalyptic number.

10571216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10571216 is a deficient number, since it is larger than the sum of its proper divisors (9969136).

10571216 is a wasteful number, since it uses less digits than its factorization.

10571216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 10571216 is about 3251.3406465641. The cubic root of 10571216 is about 219.4699083390.

Adding to 10571216 its reverse (61217501), we get a palindrome (71788717).

The spelling of 10571216 in words is "ten million, five hundred seventy-one thousand, two hundred sixteen".