11951633 has 8 divisors (see below), whose sum is σ = 12242856. Its totient is φ = 11664000.

The previous prime is 11951609. The next prime is 11951699. The reversal of 11951633 is 33615911.

11951633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6880129 + 5071504 = 2623^2 + 2252^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11951633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11951596 and 11951605.

It is not an unprimeable number, because it can be changed into a prime (11951603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6563 + ... + 8183.

It is an arithmetic number, because the mean of its divisors is an integer number (1530357).

Almost surely, 2^11951633 is an apocalyptic number.

It is an amenable number.

11951633 is a deficient number, since it is larger than the sum of its proper divisors (291223).

11951633 is a wasteful number, since it uses less digits than its factorization.

11951633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its digits is 2430, while the sum is 29.

The square root of 11951633 is about 3457.1133912558. The cubic root of 11951633 is about 228.6348432491.

The spelling of 11951633 in words is "eleven million, nine hundred fifty-one thousand, six hundred thirty-three".