11885901 has 4 divisors (see below), whose sum is σ = 15847872. Its totient is φ = 7923932.

The previous prime is 11885899. The next prime is 11885903. The reversal of 11885901 is 10958811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10958811 = 3 ⋅3652937.

It is an interprime number because it is at equal distance from previous prime (11885899) and next prime (11885903).

It is a cyclic number.

It is not a de Polignac number, because 11885901 - 2¹ = 11885899 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11885903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1980981 + ... + 1980986.

It is an arithmetic number, because the mean of its divisors is an integer number (3961968).

Almost surely, 2^11885901 is an apocalyptic number.

It is an amenable number.

11885901 is a deficient number, since it is larger than the sum of its proper divisors (3961971).

11885901 is an equidigital number, since it uses as much as digits as its factorization.

11885901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961970.

The product of its (nonzero) digits is 2880, while the sum is 33.

The square root of 11885901 is about 3447.5935085216. The cubic root of 11885901 is about 228.2149212279.

The spelling of 11885901 in words is "eleven million, eight hundred eighty-five thousand, nine hundred one".