11970975 has 48 divisors (see below), whose sum is σ = 21561120. Its totient is φ = 5836800.

The previous prime is 11970967. The next prime is 11971013. The reversal of 11970975 is 57907911.

It is not a de Polignac number, because 11970975 - 2³ = 11970967 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52161 + ... + 52389.

It is an arithmetic number, because the mean of its divisors is an integer number (449190).

Almost surely, 2^11970975 is an apocalyptic number.

11970975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11970975 is a deficient number, since it is larger than the sum of its proper divisors (9590145).

11970975 is a wasteful number, since it uses less digits than its factorization.

11970975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 39.

The square root of 11970975 is about 3459.9096809021. The cubic root of 11970975 is about 228.7581143170.

The spelling of 11970975 in words is "eleven million, nine hundred seventy thousand, nine hundred seventy-five".