11977699 has 8 divisors (see below), whose sum is σ = 12317760. Its totient is φ = 11640000.

The previous prime is 11977681. The next prime is 11977717. The reversal of 11977699 is 99677911.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11977681) and next prime (11977717).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11977699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11977799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15574 + ... + 16324.

It is an arithmetic number, because the mean of its divisors is an integer number (1539720).

Almost surely, 2^11977699 is an apocalyptic number.

11977699 is a deficient number, since it is larger than the sum of its proper divisors (340061).

11977699 is an equidigital number, since it uses as much as digits as its factorization.

11977699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181.

The product of its digits is 214326, while the sum is 49.

The square root of 11977699 is about 3460.8812461568. The cubic root of 11977699 is about 228.8009368289.

The spelling of 11977699 in words is "eleven million, nine hundred seventy-seven thousand, six hundred ninety-nine".