11916201 has 24 divisors (see below), whose sum is σ = 18500832. Its totient is φ = 6793600.

The previous prime is 11916197. The next prime is 11916241. The reversal of 11916201 is 10261911.

It is not a de Polignac number, because 11916201 - 2² = 11916197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11916241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5206 + ... + 7136.

It is an arithmetic number, because the mean of its divisors is an integer number (770868).

Almost surely, 2^11916201 is an apocalyptic number.

11916201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11916201 is a deficient number, since it is larger than the sum of its proper divisors (6584631).

11916201 is a wasteful number, since it uses less digits than its factorization.

11916201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973 (or 1962 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11916201 is about 3451.9850810802. The cubic root of 11916201 is about 228.4086814513.

The spelling of 11916201 in words is "eleven million, nine hundred sixteen thousand, two hundred one".