11897699 has 8 divisors (see below), whose sum is σ = 13109040. Its totient is φ = 10708000.

The previous prime is 11897687. The next prime is 11897701. The reversal of 11897699 is 99679811.

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-11897699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11897299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4244 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (1638630).

Almost surely, 2^11897699 is an apocalyptic number.

11897699 is a deficient number, since it is larger than the sum of its proper divisors (1211341).

11897699 is a wasteful number, since it uses less digits than its factorization.

11897699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10821.

The product of its digits is 244944, while the sum is 50.

The square root of 11897699 is about 3449.3041327201. The cubic root of 11897699 is about 228.2904053183.

It can be divided in two parts, 118976 and 99, that multiplied together give a square (11778624 = 3432²).

The spelling of 11897699 in words is "eleven million, eight hundred ninety-seven thousand, six hundred ninety-nine".