11663497 has 2 divisors, whose sum is σ = 11663498. Its totient is φ = 11663496.

The previous prime is 11663489. The next prime is 11663501. The reversal of 11663497 is 79436611.

11663497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8667136 + 2996361 = 2944^2 + 1731^2 .

It is a cyclic number.

It is not a de Polignac number, because 11663497 - 2³ = 11663489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11663417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5831748 + 5831749.

It is an arithmetic number, because the mean of its divisors is an integer number (5831749).

Almost surely, 2^11663497 is an apocalyptic number.

It is an amenable number.

11663497 is a deficient number, since it is larger than the sum of its proper divisors (1).

11663497 is an equidigital number, since it uses as much as digits as its factorization.

11663497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 37.

The square root of 11663497 is about 3415.1862321109. The cubic root of 11663497 is about 226.7825289533.

The spelling of 11663497 in words is "eleven million, six hundred sixty-three thousand, four hundred ninety-seven".