11971274 has 16 divisors (see below), whose sum is σ = 20686848. Its totient is φ = 5089392.

The previous prime is 11971261. The next prime is 11971321. The reversal of 11971274 is 47217911.

It is a super-2 number, since 2×11971274² = 286622802366152, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11971274.

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 7 ways as a sum of consecutive naturals, for example, 1589 + ... + 5144.

It is an arithmetic number, because the mean of its divisors is an integer number (1292928).

Almost surely, 2^11971274 is an apocalyptic number.

11971274 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11971274 is a deficient number, since it is larger than the sum of its proper divisors (8715574).

11971274 is a wasteful number, since it uses less digits than its factorization.

11971274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869.

The product of its digits is 3528, while the sum is 32.

The square root of 11971274 is about 3459.9528898527. The cubic root of 11971274 is about 228.7600188710.

The spelling of 11971274 in words is "eleven million, nine hundred seventy-one thousand, two hundred seventy-four".