11912146 has 4 divisors (see below), whose sum is σ = 17868222. Its totient is φ = 5956072.

The previous prime is 11912129. The next prime is 11912171. The reversal of 11912146 is 64121911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64121911 = 7 ⋅9160273.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 4044121 = 2805^2 + 2011^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11912146.

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, 2978035 + ... + 2978038.

Almost surely, 2^11912146 is an apocalyptic number.

11912146 is a deficient number, since it is larger than the sum of its proper divisors (5956076).

11912146 is an equidigital number, since it uses as much as digits as its factorization.

11912146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5956075.

The product of its digits is 432, while the sum is 25.

The square root of 11912146 is about 3451.3976878940. The cubic root of 11912146 is about 228.3827698854.

The spelling of 11912146 in words is "eleven million, nine hundred twelve thousand, one hundred forty-six".