11667901 has 4 divisors (see below), whose sum is σ = 13334752. Its totient is φ = 10001052.

The previous prime is 11667883. The next prime is 11667907. The reversal of 11667901 is 10976611.

11667901 is digitally balanced in base 2, 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, and also an emirpimes, since its reverse is a distinct semiprime: 10976611 = 17 ⋅645683.

It is a cyclic number.

It is not a de Polignac number, because 11667901 - 2⁵ = 11667869 is a prime.

It is a super-2 number, since 2×11667901² = 272279827491602, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667907) 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, 833415 + ... + 833428.

It is an arithmetic number, because the mean of its divisors is an integer number (3333688).

Almost surely, 2^11667901 is an apocalyptic number.

It is an amenable number.

11667901 is a deficient number, since it is larger than the sum of its proper divisors (1666851).

11667901 is an equidigital number, since it uses as much as digits as its factorization.

11667901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666850.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 11667901 is about 3415.8309384394. The cubic root of 11667901 is about 226.8110688380.

The spelling of 11667901 in words is "eleven million, six hundred sixty-seven thousand, nine hundred one".