11860406 has 4 divisors (see below), whose sum is σ = 17790612. Its totient is φ = 5930202.

The previous prime is 11860397. The next prime is 11860411. The reversal of 11860406 is 60406811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60406811 = 419 ⋅144169.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2965100 + ... + 2965103.

It is an arithmetic number, because the mean of its divisors is an integer number (4447653).

Almost surely, 2^11860406 is an apocalyptic number.

11860406 is a deficient number, since it is larger than the sum of its proper divisors (5930206).

11860406 is an equidigital number, since it uses as much as digits as its factorization.

11860406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5930205.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 11860406 is about 3443.8940169523. The cubic root of 11860406 is about 228.0516324022.

The spelling of 11860406 in words is "eleven million, eight hundred sixty thousand, four hundred six".