11693491 has 2 divisors, whose sum is σ = 11693492. Its totient is φ = 11693490.

The previous prime is 11693483. The next prime is 11693497. The reversal of 11693491 is 19439611.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19439611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11693491 - 2³ = 11693483 is a prime.

It is not a weakly prime, because it can be changed into another prime (11693497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5846745 + 5846746.

It is an arithmetic number, because the mean of its divisors is an integer number (5846746).

Almost surely, 2^11693491 is an apocalyptic number.

11693491 is a deficient number, since it is larger than the sum of its proper divisors (1).

11693491 is an equidigital number, since it uses as much as digits as its factorization.

11693491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 34.

The square root of 11693491 is about 3419.5746811555. The cubic root of 11693491 is about 226.9767615146.

The spelling of 11693491 in words is "eleven million, six hundred ninety-three thousand, four hundred ninety-one".