11980455 has 8 divisors (see below), whose sum is σ = 19168752. Its totient is φ = 6389568.

The previous prime is 11980433. The next prime is 11980457. The reversal of 11980455 is 55408911.

11980455 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11980455 - 2²¹ = 9883303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980457) 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, 399334 + ... + 399363.

It is an arithmetic number, because the mean of its divisors is an integer number (2396094).

Almost surely, 2^11980455 is an apocalyptic number.

11980455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11980455 is a deficient number, since it is larger than the sum of its proper divisors (7188297).

11980455 is an equidigital number, since it uses as much as digits as its factorization.

11980455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798705.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 11980455 is about 3461.2793877409. The cubic root of 11980455 is about 228.8184840785.

The spelling of 11980455 in words is "eleven million, nine hundred eighty thousand, four hundred fifty-five".