11419521 has 4 divisors (see below), whose sum is σ = 15226032. Its totient is φ = 7613012.

The previous prime is 11419517. The next prime is 11419537. The reversal of 11419521 is 12591411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11419521 - 2² = 11419517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11419491 and 11419500.

It is not an unprimeable number, because it can be changed into a prime (11419561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1903251 + ... + 1903256.

It is an arithmetic number, because the mean of its divisors is an integer number (3806508).

Almost surely, 2^11419521 is an apocalyptic number.

It is an amenable number.

11419521 is a deficient number, since it is larger than the sum of its proper divisors (3806511).

11419521 is an equidigital number, since it uses as much as digits as its factorization.

11419521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3806510.

The product of its digits is 360, while the sum is 24.

The square root of 11419521 is about 3379.2781773627. The cubic root of 11419521 is about 225.1901010680.

The spelling of 11419521 in words is "eleven million, four hundred nineteen thousand, five hundred twenty-one".