11342591 has 8 divisors (see below), whose sum is σ = 12246864. Its totient is φ = 10442880.

The previous prime is 11342579. The next prime is 11342623. The reversal of 11342591 is 19524311.

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 11342591 - 2¹⁴ = 11326207 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 11342591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11342291) 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, 5495 + ... + 7271.

It is an arithmetic number, because the mean of its divisors is an integer number (1530858).

Almost surely, 2^11342591 is an apocalyptic number.

11342591 is a deficient number, since it is larger than the sum of its proper divisors (904273).

11342591 is a wasteful number, since it uses less digits than its factorization.

11342591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281.

The product of its digits is 1080, while the sum is 26.

The square root of 11342591 is about 3367.8763338341. The cubic root of 11342591 is about 224.6832811322.

The spelling of 11342591 in words is "eleven million, three hundred forty-two thousand, five hundred ninety-one".