11821498 has 8 divisors (see below), whose sum is σ = 19096308. Its totient is φ = 5456064.

The previous prime is 11821483. The next prime is 11821499. The reversal of 11821498 is 89412811.

11821498 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11269449 + 552049 = 3357^2 + 743^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11821499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227311 + ... + 227362.

Almost surely, 2^11821498 is an apocalyptic number.

11821498 is a deficient number, since it is larger than the sum of its proper divisors (7274810).

11821498 is a wasteful number, since it uses less digits than its factorization.

11821498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454688.

The product of its digits is 4608, while the sum is 34.

The square root of 11821498 is about 3438.2405384150. The cubic root of 11821498 is about 227.8019851506.

The spelling of 11821498 in words is "eleven million, eight hundred twenty-one thousand, four hundred ninety-eight".