11967801 has 4 divisors (see below), whose sum is σ = 15957072. Its totient is φ = 7978532.

The previous prime is 11967799. The next prime is 11967821. The reversal of 11967801 is 10876911.

11967801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 11967801 - 2¹ = 11967799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11967821) 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, 1994631 + ... + 1994636.

It is an arithmetic number, because the mean of its divisors is an integer number (3989268).

Almost surely, 2^11967801 is an apocalyptic number.

It is an amenable number.

11967801 is a deficient number, since it is larger than the sum of its proper divisors (3989271).

11967801 is an equidigital number, since it uses as much as digits as its factorization.

11967801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989270.

The product of its (nonzero) digits is 3024, while the sum is 33.

The square root of 11967801 is about 3459.4509680006. The cubic root of 11967801 is about 228.7378947878.

The spelling of 11967801 in words is "eleven million, nine hundred sixty-seven thousand, eight hundred one".