11990424 has 16 divisors (see below), whose sum is σ = 29976120. Its totient is φ = 3996800.

The previous prime is 11990401. The next prime is 11990431. The reversal of 11990424 is 42409911.

It is a junction number, because it is equal to n+sod(n) for n = 11990391 and 11990400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249777 + ... + 249824.

Almost surely, 2^11990424 is an apocalyptic number.

It is an amenable number.

11990424 is an abundant number, since it is smaller than the sum of its proper divisors (17985696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11990424 is a wasteful number, since it uses less digits than its factorization.

11990424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499610 (or 499606 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11990424 is about 3462.7191627390. The cubic root of 11990424 is about 228.8819335067.

The spelling of 11990424 in words is "eleven million, nine hundred ninety thousand, four hundred twenty-four".