11649493 has 2 divisors, whose sum is σ = 11649494. Its totient is φ = 11649492.

The previous prime is 11649481. The next prime is 11649511. The reversal of 11649493 is 39494611.

11649493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10771524 + 877969 = 3282^2 + 937^2 .

It is a cyclic number.

It is not a de Polignac number, because 11649493 - 2⁵ = 11649461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11619493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5824746 + 5824747.

It is an arithmetic number, because the mean of its divisors is an integer number (5824747).

Almost surely, 2^11649493 is an apocalyptic number.

It is an amenable number.

11649493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11649493 is an equidigital number, since it uses as much as digits as its factorization.

11649493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 11649493 is about 3413.1353620974. The cubic root of 11649493 is about 226.6917290146.

The spelling of 11649493 in words is "eleven million, six hundred forty-nine thousand, four hundred ninety-three".