11977399 has 8 divisors (see below), whose sum is σ = 13730688. Its totient is φ = 10234680.

The previous prime is 11977397. The next prime is 11977421. The reversal of 11977399 is 99377911.

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

It is a cyclic number.

It is not a de Polignac number, because 11977399 - 2¹ = 11977397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977397) 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, 37 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (1716336).

Almost surely, 2^11977399 is an apocalyptic number.

11977399 is a deficient number, since it is larger than the sum of its proper divisors (1753289).

11977399 is an equidigital number, since it uses as much as digits as its factorization.

11977399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285.

The product of its digits is 107163, while the sum is 46.

The square root of 11977399 is about 3460.8379043232. The cubic root of 11977399 is about 228.7990265884.

The spelling of 11977399 in words is "eleven million, nine hundred seventy-seven thousand, three hundred ninety-nine".