11299521 has 8 divisors (see below), whose sum is σ = 15207264. Its totient is φ = 7462400.

The previous prime is 11299517. The next prime is 11299523. The reversal of 11299521 is 12599211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11299521 - 2² = 11299517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11299523) 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, 17280 + ... + 17921.

It is an arithmetic number, because the mean of its divisors is an integer number (1900908).

Almost surely, 2^11299521 is an apocalyptic number.

It is an amenable number.

11299521 is a deficient number, since it is larger than the sum of its proper divisors (3907743).

11299521 is a wasteful number, since it uses less digits than its factorization.

11299521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35311.

The product of its digits is 1620, while the sum is 30.

The square root of 11299521 is about 3361.4760150862. The cubic root of 11299521 is about 224.3985318647.

The spelling of 11299521 in words is "eleven million, two hundred ninety-nine thousand, five hundred twenty-one".