11673391 has 8 divisors (see below), whose sum is σ = 12684800. Its totient is φ = 10701720.

The previous prime is 11673383. The next prime is 11673401. The reversal of 11673391 is 19337611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11673391 - 2³ = 11673383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11673371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9321 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (1585600).

Almost surely, 2^11673391 is an apocalyptic number.

11673391 is a deficient number, since it is larger than the sum of its proper divisors (1011409).

11673391 is a wasteful number, since it uses less digits than its factorization.

11673391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19869.

The product of its digits is 3402, while the sum is 31.

The square root of 11673391 is about 3416.6344551327. The cubic root of 11673391 is about 226.8466364327.

The spelling of 11673391 in words is "eleven million, six hundred seventy-three thousand, three hundred ninety-one".