11876491 has 4 divisors (see below), whose sum is σ = 12956184. Its totient is φ = 10796800.

The previous prime is 11876479. The next prime is 11876507. The reversal of 11876491 is 19467811.

11876491 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.

It is a cyclic number.

It is not a de Polignac number, because 11876491 - 2⁷ = 11876363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11876491.

It is not an unprimeable number, because it can be changed into a prime (11876411) 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, 539830 + ... + 539851.

It is an arithmetic number, because the mean of its divisors is an integer number (3239046).

Almost surely, 2^11876491 is an apocalyptic number.

11876491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11876491 is a deficient number, since it is larger than the sum of its proper divisors (1079693).

11876491 is a wasteful number, since it uses less digits than its factorization.

11876491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079692.

The product of its digits is 12096, while the sum is 37.

The square root of 11876491 is about 3446.2285182501. The cubic root of 11876491 is about 228.1546798439.

The spelling of 11876491 in words is "eleven million, eight hundred seventy-six thousand, four hundred ninety-one".