11965490 has 16 divisors (see below), whose sum is σ = 21577752. Its totient is φ = 4777344.

The previous prime is 11965469. The next prime is 11965493. The reversal of 11965490 is 9456911.

It can be written as a sum of positive squares in 4 ways, for example, as 7458361 + 4507129 = 2731^2 + 2123^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11965490.

It is not an unprimeable number, because it can be changed into a prime (11965493) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8732 + ... + 10008.

Almost surely, 2^11965490 is an apocalyptic number.

11965490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11965490 is a deficient number, since it is larger than the sum of its proper divisors (9612262).

11965490 is a wasteful number, since it uses less digits than its factorization.

11965490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 11965490 is about 3459.1169393358. The cubic root of 11965490 is about 228.7231706318.

The spelling of 11965490 in words is "eleven million, nine hundred sixty-five thousand, four hundred ninety".