11936641 has 2 divisors, whose sum is σ = 11936642. Its totient is φ = 11936640.

The previous prime is 11936633. The next prime is 11936647. The reversal of 11936641 is 14663911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11833600 + 103041 = 3440^2 + 321^2 .

It is a cyclic number.

It is not a de Polignac number, because 11936641 - 2³ = 11936633 is a prime.

It is not a weakly prime, because it can be changed into another prime (11936647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5968320 + 5968321.

It is an arithmetic number, because the mean of its divisors is an integer number (5968321).

Almost surely, 2^11936641 is an apocalyptic number.

It is an amenable number.

11936641 is a deficient number, since it is larger than the sum of its proper divisors (1).

11936641 is an equidigital number, since it uses as much as digits as its factorization.

11936641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 11936641 is about 3454.9444279178. The cubic root of 11936641 is about 228.5392042183.

The spelling of 11936641 in words is "eleven million, nine hundred thirty-six thousand, six hundred forty-one".