11957633 has 2 divisors, whose sum is σ = 11957634. Its totient is φ = 11957632.

The previous prime is 11957629. The next prime is 11957641. The reversal of 11957633 is 33675911.

11957633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11336689 + 620944 = 3367^2 + 788^2 .

It is an emirp because it is prime and its reverse (33675911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11957633 - 2² = 11957629 is a prime.

It is a Chen prime.

It is equal to p₇₈₅₄₇₄ and since 11957633 and 785474 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 11957593 and 11957602.

It is not a weakly prime, because it can be changed into another prime (11957653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978816 + 5978817.

It is an arithmetic number, because the mean of its divisors is an integer number (5978817).

Almost surely, 2^11957633 is an apocalyptic number.

It is an amenable number.

11957633 is a deficient number, since it is larger than the sum of its proper divisors (1).

11957633 is an equidigital number, since it uses as much as digits as its factorization.

11957633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 35.

The square root of 11957633 is about 3457.9810583634. The cubic root of 11957633 is about 228.6730968659.

The spelling of 11957633 in words is "eleven million, nine hundred fifty-seven thousand, six hundred thirty-three".