11641797 has 6 divisors (see below), whose sum is σ = 16815942. Its totient is φ = 7761192.

The previous prime is 11641783. The next prime is 11641807. The reversal of 11641797 is 79714611.

11641797 is a `hidden beast` number, since 1 + 1 + 641 + 7 + 9 + 7 = 666.

11641797 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8259876 + 3381921 = 2874^2 + 1839^2 .

It is not a de Polignac number, because 11641797 - 2⁶ = 11641733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641727) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 646758 + ... + 646775.

It is an arithmetic number, because the mean of its divisors is an integer number (2802657).

Almost surely, 2^11641797 is an apocalyptic number.

It is an amenable number.

11641797 is a deficient number, since it is larger than the sum of its proper divisors (5174145).

11641797 is a wasteful number, since it uses less digits than its factorization.

11641797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293539 (or 1293536 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 11641797 is about 3412.0077666969. The cubic root of 11641797 is about 226.6417982617.

The spelling of 11641797 in words is "eleven million, six hundred forty-one thousand, seven hundred ninety-seven".