11649146 has 4 divisors (see below), whose sum is σ = 17473722. Its totient is φ = 5824572.

The previous prime is 11649119. The next prime is 11649151. The reversal of 11649146 is 64194611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64194611 = 13 ⋅4938047.

It can be written as a sum of positive squares in only one way, i.e., 10725625 + 923521 = 3275^2 + 961^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912285 + ... + 2912288.

Almost surely, 2^11649146 is an apocalyptic number.

11649146 is a deficient number, since it is larger than the sum of its proper divisors (5824576).

11649146 is an equidigital number, since it uses as much as digits as its factorization.

11649146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824575.

The product of its digits is 5184, while the sum is 32.

The square root of 11649146 is about 3413.0845286925. The cubic root of 11649146 is about 226.6894781925.

The spelling of 11649146 in words is "eleven million, six hundred forty-nine thousand, one hundred forty-six".