11634913 has 2 divisors, whose sum is σ = 11634914. Its totient is φ = 11634912.

The previous prime is 11634911. The next prime is 11634967. The reversal of 11634913 is 31943611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 20449 = 3408^2 + 143^2 .

It is a cyclic number.

It is not a de Polignac number, because 11634913 - 2¹ = 11634911 is a prime.

Together with 11634911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11634911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5817456 + 5817457.

It is an arithmetic number, because the mean of its divisors is an integer number (5817457).

Almost surely, 2^11634913 is an apocalyptic number.

It is an amenable number.

11634913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634913 is an equidigital number, since it uses as much as digits as its factorization.

11634913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 28.

The square root of 11634913 is about 3410.9988273232. The cubic root of 11634913 is about 226.5971170220.

The spelling of 11634913 in words is "eleven million, six hundred thirty-four thousand, nine hundred thirteen".