11701428 has 24 divisors (see below), whose sum is σ = 27388032. Its totient is φ = 3888384.

The previous prime is 11701387. The next prime is 11701429. The reversal of 11701428 is 82410711.

It is a junction number, because it is equal to n+sod(n) for n = 11701398 and 11701407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11701429) 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, 3076 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (1141168).

Almost surely, 2^11701428 is an apocalyptic number.

It is an amenable number.

11701428 is an abundant number, since it is smaller than the sum of its proper divisors (15686604).

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

11701428 is a wasteful number, since it uses less digits than its factorization.

11701428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 11701428 is about 3420.7350087372. The cubic root of 11701428 is about 227.0281036705.

The spelling of 11701428 in words is "eleven million, seven hundred one thousand, four hundred twenty-eight".