11674391 has 4 divisors (see below), whose sum is σ = 11694672. Its totient is φ = 11654112.

The previous prime is 11674387. The next prime is 11674423. The reversal of 11674391 is 19347611.

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 11674391 - 2² = 11674387 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11674301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9251 + ... + 10436.

It is an arithmetic number, because the mean of its divisors is an integer number (2923668).

Almost surely, 2^11674391 is an apocalyptic number.

11674391 is a deficient number, since it is larger than the sum of its proper divisors (20281).

11674391 is an equidigital number, since it uses as much as digits as its factorization.

11674391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20280.

The product of its digits is 4536, while the sum is 32.

The square root of 11674391 is about 3416.7807948418. The cubic root of 11674391 is about 226.8531138467.

The spelling of 11674391 in words is "eleven million, six hundred seventy-four thousand, three hundred ninety-one".