11913877 has 4 divisors (see below), whose sum is σ = 11921760. Its totient is φ = 11905996.

The previous prime is 11913857. The next prime is 11913883. The reversal of 11913877 is 77831911.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11913877 - 2¹¹ = 11911829 is a prime.

It is a super-2 number, since 2×11913877² = 283880930342258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11913857) 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, 883 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (2980440).

Almost surely, 2^11913877 is an apocalyptic number.

It is an amenable number.

11913877 is a deficient number, since it is larger than the sum of its proper divisors (7883).

11913877 is an equidigital number, since it uses as much as digits as its factorization.

11913877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7882.

The product of its digits is 10584, while the sum is 37.

The square root of 11913877 is about 3451.6484467570. The cubic root of 11913877 is about 228.3938317441.

The spelling of 11913877 in words is "eleven million, nine hundred thirteen thousand, eight hundred seventy-seven".