11975954 has 4 divisors (see below), whose sum is σ = 17963934. Its totient is φ = 5987976.

The previous prime is 11975941. The next prime is 11975983. The reversal of 11975954 is 45957911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45957911 = 397 ⋅115763.

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 4264225 = 2777^2 + 2065^2 .

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 as a sum of consecutive naturals, namely, 2993987 + ... + 2993990.

Almost surely, 2^11975954 is an apocalyptic number.

11975954 is a deficient number, since it is larger than the sum of its proper divisors (5987980).

11975954 is an equidigital number, since it uses as much as digits as its factorization.

11975954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987979.

The product of its digits is 56700, while the sum is 41.

The square root of 11975954 is about 3460.6291335536. The cubic root of 11975954 is about 228.7898251502.

The spelling of 11975954 in words is "eleven million, nine hundred seventy-five thousand, nine hundred fifty-four".