11905493 has 4 divisors (see below), whose sum is σ = 12073248. Its totient is φ = 11737740.

The previous prime is 11905483. The next prime is 11905499. The reversal of 11905493 is 39450911.

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.

It is a cyclic number.

It is not a de Polignac number, because 11905493 - 2⁴ = 11905477 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 (11905499) 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, 83771 + ... + 83912.

It is an arithmetic number, because the mean of its divisors is an integer number (3018312).

Almost surely, 2^11905493 is an apocalyptic number.

It is an amenable number.

11905493 is a deficient number, since it is larger than the sum of its proper divisors (167755).

11905493 is an equidigital number, since it uses as much as digits as its factorization.

11905493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167754.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 11905493 is about 3450.4337408506. The cubic root of 11905493 is about 228.3402442838.

The spelling of 11905493 in words is "eleven million, nine hundred five thousand, four hundred ninety-three".