11650631 has 4 divisors (see below), whose sum is σ = 11663064. Its totient is φ = 11638200.

The previous prime is 11650607. The next prime is 11650633. The reversal of 11650631 is 13605611.

It is a happy number.

11650631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11650631 - 2⁶ = 11650567 is a prime.

It is a super-2 number, since 2×11650631² = 271474405396322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11650597 and 11650606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11650633) 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, 4685 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (2915766).

Almost surely, 2^11650631 is an apocalyptic number.

11650631 is a deficient number, since it is larger than the sum of its proper divisors (12433).

11650631 is a wasteful number, since it uses less digits than its factorization.

11650631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12432.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 11650631 is about 3413.3020669141. The cubic root of 11650631 is about 226.6991103598.

The spelling of 11650631 in words is "eleven million, six hundred fifty thousand, six hundred thirty-one".