11980651 has 8 divisors (see below), whose sum is σ = 12396384. Its totient is φ = 11570880.

The previous prime is 11980613. The next prime is 11980669. The reversal of 11980651 is 15608911.

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 11980651 - 2⁷ = 11980523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11980691) 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, 2805 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (1549548).

Almost surely, 2^11980651 is an apocalyptic number.

11980651 is a deficient number, since it is larger than the sum of its proper divisors (415733).

11980651 is a wasteful number, since it uses less digits than its factorization.

11980651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 11980651 is about 3461.3077008553. The cubic root of 11980651 is about 228.8197318936.

The spelling of 11980651 in words is "eleven million, nine hundred eighty thousand, six hundred fifty-one".