11908493 has 2 divisors, whose sum is σ = 11908494. Its totient is φ = 11908492.

The previous prime is 11908489. The next prime is 11908529. The reversal of 11908493 is 39480911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9872164 + 2036329 = 3142^2 + 1427^2 .

It is a cyclic number.

It is not a de Polignac number, because 11908493 - 2² = 11908489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11901493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5954246 + 5954247.

It is an arithmetic number, because the mean of its divisors is an integer number (5954247).

Almost surely, 2^11908493 is an apocalyptic number.

It is an amenable number.

11908493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11908493 is an equidigital number, since it uses as much as digits as its factorization.

11908493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 11908493 is about 3450.8684414217. The cubic root of 11908493 is about 228.3594220757.

The spelling of 11908493 in words is "eleven million, nine hundred eight thousand, four hundred ninety-three".