11980029 has 4 divisors (see below), whose sum is σ = 15973376. Its totient is φ = 7986684.

The previous prime is 11980027. The next prime is 11980039. The reversal of 11980029 is 92008911.

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: 92008911 = 3 ⋅30669637.

It is not a de Polignac number, because 11980029 - 2¹ = 11980027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11979978 and 11980005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11980021) 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, 1996669 + ... + 1996674.

It is an arithmetic number, because the mean of its divisors is an integer number (3993344).

Almost surely, 2^11980029 is an apocalyptic number.

It is an amenable number.

11980029 is a deficient number, since it is larger than the sum of its proper divisors (3993347).

11980029 is an equidigital number, since it uses as much as digits as its factorization.

11980029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993346.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 11980029 is about 3461.2178492548. The cubic root of 11980029 is about 228.8157719436.

The spelling of 11980029 in words is "eleven million, nine hundred eighty thousand, twenty-nine".