10971378 has 24 divisors (see below), whose sum is σ = 25932816. Its totient is φ = 3324600.

The previous prime is 10971353. The next prime is 10971383. The reversal of 10971378 is 87317901.

It is a super-2 number, since 2×10971378² = 240742270437768, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27508 + ... + 27903.

It is an arithmetic number, because the mean of its divisors is an integer number (1080534).

Almost surely, 2^10971378 is an apocalyptic number.

10971378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10971378 is an abundant number, since it is smaller than the sum of its proper divisors (14961438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10971378 is a wasteful number, since it uses less digits than its factorization.

10971378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55430 (or 55427 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 36.

The square root of 10971378 is about 3312.3070509843. The cubic root of 10971378 is about 222.2049483054.

The spelling of 10971378 in words is "ten million, nine hundred seventy-one thousand, three hundred seventy-eight".