11946986 has 8 divisors (see below), whose sum is σ = 17936964. Its totient is φ = 5968000.

The previous prime is 11946983. The next prime is 11946989. The reversal of 11946986 is 68964911.

It is an interprime number because it is at equal distance from previous prime (11946983) and next prime (11946989).

It can be written as a sum of positive squares in 2 ways, for example, as 11868025 + 78961 = 3445^2 + 281^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11946983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986 + ... + 4986.

Almost surely, 2^11946986 is an apocalyptic number.

11946986 is a deficient number, since it is larger than the sum of its proper divisors (5989978).

11946986 is a wasteful number, since it uses less digits than its factorization.

11946986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5496.

The product of its digits is 93312, while the sum is 44.

The square root of 11946986 is about 3456.4412334076. The cubic root of 11946986 is about 228.6052070243.

The spelling of 11946986 in words is "eleven million, nine hundred forty-six thousand, nine hundred eighty-six".