11672428 has 6 divisors (see below), whose sum is σ = 20426756. Its totient is φ = 5836212.

The previous prime is 11672417. The next prime is 11672429. The reversal of 11672428 is 82427611.

11672428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11672428.

It is not an unprimeable number, because it can be changed into a prime (11672429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1459050 + ... + 1459057.

Almost surely, 2^11672428 is an apocalyptic number.

It is an amenable number.

11672428 is a deficient number, since it is larger than the sum of its proper divisors (8754328).

11672428 is a wasteful number, since it uses less digits than its factorization.

11672428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2918111 (or 2918109 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 11672428 is about 3416.4935240682. The cubic root of 11672428 is about 226.8403983334.

It can be divided in two parts, 11672 and 428, that added together give a square (12100 = 110²).

The spelling of 11672428 in words is "eleven million, six hundred seventy-two thousand, four hundred twenty-eight".