11863401 has 16 divisors (see below), whose sum is σ = 17326848. Its totient is φ = 7160400.

The previous prime is 11863381. The next prime is 11863403. The reversal of 11863401 is 10436811.

11863401 = T₁₁₀ + T₁₁₁ + ... + T₄₁₆.

It is not a de Polignac number, because 11863401 - 2⁶ = 11863337 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11863403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9546 + ... + 10716.

It is an arithmetic number, because the mean of its divisors is an integer number (1082928).

Almost surely, 2^11863401 is an apocalyptic number.

11863401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11863401 is a deficient number, since it is larger than the sum of its proper divisors (5463447).

11863401 is a wasteful number, since it uses less digits than its factorization.

11863401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 11863401 is about 3444.3288170557. The cubic root of 11863401 is about 228.0708267185.

The spelling of 11863401 in words is "eleven million, eight hundred sixty-three thousand, four hundred one".