11868477 has 4 divisors (see below), whose sum is σ = 15824640. Its totient is φ = 7912316.

The previous prime is 11868463. The next prime is 11868481. The reversal of 11868477 is 77486811.

It is a happy number.

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 11868477 - 2⁷ = 11868349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11868427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1978077 + ... + 1978082.

It is an arithmetic number, because the mean of its divisors is an integer number (3956160).

Almost surely, 2^11868477 is an apocalyptic number.

It is an amenable number.

11868477 is a deficient number, since it is larger than the sum of its proper divisors (3956163).

11868477 is an equidigital number, since it uses as much as digits as its factorization.

11868477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3956162.

The product of its digits is 75264, while the sum is 42.

The square root of 11868477 is about 3445.0656016976. The cubic root of 11868477 is about 228.1033503443.

The spelling of 11868477 in words is "eleven million, eight hundred sixty-eight thousand, four hundred seventy-seven".