11631628 has 6 divisors (see below), whose sum is σ = 20355356. Its totient is φ = 5815812.

The previous prime is 11631623. The next prime is 11631637. The reversal of 11631628 is 82613611.

It is a junction number, because it is equal to n+sod(n) for n = 11631596 and 11631605.

It is not an unprimeable number, because it can be changed into a prime (11631623) 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 as a sum of consecutive naturals, namely, 1453950 + ... + 1453957.

Almost surely, 2^11631628 is an apocalyptic number.

It is an amenable number.

11631628 is a deficient number, since it is larger than the sum of its proper divisors (8723728).

11631628 is a wasteful number, since it uses less digits than its factorization.

11631628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907911 (or 2907909 counting only the distinct ones).

The product of its digits is 1728, while the sum is 28.

The square root of 11631628 is about 3410.5172628210. The cubic root of 11631628 is about 226.5757892134.

The spelling of 11631628 in words is "eleven million, six hundred thirty-one thousand, six hundred twenty-eight".