10997871 has 12 divisors (see below), whose sum is σ = 14997528. Its totient is φ = 7166224.

The previous prime is 10997869. The next prime is 10997879. The reversal of 10997871 is 17879901.

It is a happy number.

It is not a de Polignac number, because 10997871 - 2¹ = 10997869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10997879) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41686 + ... + 41948.

It is an arithmetic number, because the mean of its divisors is an integer number (1249794).

Almost surely, 2^10997871 is an apocalyptic number.

10997871 is a deficient number, since it is larger than the sum of its proper divisors (3999657).

10997871 is an frugal number, since it uses more digits than its factorization.

10997871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 582 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 10997871 is about 3316.3038159976. The cubic root of 10997871 is about 222.3836600899.

The spelling of 10997871 in words is "ten million, nine hundred ninety-seven thousand, eight hundred seventy-one".