11790649 has 4 divisors (see below), whose sum is σ = 12697636. Its totient is φ = 10883664.

The previous prime is 11790601. The next prime is 11790661. The reversal of 11790649 is 94609711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1065024 + 10725625 = 1032^2 + 3275^2 .

It is a cyclic number.

It is not a de Polignac number, because 11790649 - 2¹⁵ = 11757881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11790049) 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, 453474 + ... + 453499.

It is an arithmetic number, because the mean of its divisors is an integer number (3174409).

Almost surely, 2^11790649 is an apocalyptic number.

It is an amenable number.

11790649 is a deficient number, since it is larger than the sum of its proper divisors (906987).

11790649 is an equidigital number, since it uses as much as digits as its factorization.

11790649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906986.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 11790649 is about 3433.7514470328. The cubic root of 11790649 is about 227.6036576290.

The spelling of 11790649 in words is "eleven million, seven hundred ninety thousand, six hundred forty-nine".