11980349 has 4 divisors (see below), whose sum is σ = 11992800. Its totient is φ = 11967900.

The previous prime is 11980313. The next prime is 11980357. The reversal of 11980349 is 94308911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94308911 = 17 ⋅5547583.

It is a cyclic number.

It is not a de Polignac number, because 11980349 - 2¹² = 11976253 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 (11980399) 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, 4649 + ... + 6750.

It is an arithmetic number, because the mean of its divisors is an integer number (2998200).

Almost surely, 2^11980349 is an apocalyptic number.

It is an amenable number.

11980349 is a deficient number, since it is larger than the sum of its proper divisors (12451).

11980349 is a wasteful number, since it uses less digits than its factorization.

11980349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12450.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 11980349 is about 3461.2640754499. The cubic root of 11980349 is about 228.8178092341.

The spelling of 11980349 in words is "eleven million, nine hundred eighty thousand, three hundred forty-nine".