11946897 has 12 divisors (see below), whose sum is σ = 17315844. Its totient is φ = 7937280.

The previous prime is 11946881. The next prime is 11946899. The reversal of 11946897 is 79864911.

It is a happy number.

11946897 is digitally balanced in base 2 and base 3, 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 2 ways, for example, as 5716881 + 6230016 = 2391^2 + 2496^2 .

It is not a de Polignac number, because 11946897 - 2⁴ = 11946881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11946899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697 + ... + 4937.

It is an arithmetic number, because the mean of its divisors is an integer number (1442987).

Almost surely, 2^11946897 is an apocalyptic number.

It is an amenable number.

11946897 is a deficient number, since it is larger than the sum of its proper divisors (5368947).

11946897 is a wasteful number, since it uses less digits than its factorization.

11946897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560 (or 4557 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11946897 is about 3456.4283588699. The cubic root of 11946897 is about 228.6046393522.

The spelling of 11946897 in words is "eleven million, nine hundred forty-six thousand, eight hundred ninety-seven".