11563490 has 24 divisors (see below), whose sum is σ = 21218652. Its totient is φ = 4536800.

The previous prime is 11563459. The next prime is 11563507. The reversal of 11563490 is 9436511.

It can be written as a sum of positive squares in 2 ways, for example, as 11002489 + 561001 = 3317^2 + 749^2 .

It is a Curzon number.

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 in 11 ways as a sum of consecutive naturals, for example, 108017 + ... + 108123.

Almost surely, 2^11563490 is an apocalyptic number.

11563490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11563490 is a deficient number, since it is larger than the sum of its proper divisors (9655162).

11563490 is a wasteful number, since it uses less digits than its factorization.

11563490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 11563490 is about 3400.5131965631. The cubic root of 11563490 is about 226.1324959881.

The spelling of 11563490 in words is "eleven million, five hundred sixty-three thousand, four hundred ninety".