11720276 has 12 divisors (see below), whose sum is σ = 21717108. Its totient is φ = 5515392.

The previous prime is 11720257. The next prime is 11720281. The reversal of 11720276 is 67202711.

11720276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10562500 + 1157776 = 3250^2 + 1076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86111 + ... + 86246.

It is an arithmetic number, because the mean of its divisors is an integer number (1809759).

Almost surely, 2^11720276 is an apocalyptic number.

It is an amenable number.

11720276 is a deficient number, since it is larger than the sum of its proper divisors (9996832).

11720276 is a wasteful number, since it uses less digits than its factorization.

11720276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172378 (or 172376 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The square root of 11720276 is about 3423.4888637178. The cubic root of 11720276 is about 227.1499329686.

Adding to 11720276 its reverse (67202711), we get a palindrome (78922987).

The spelling of 11720276 in words is "eleven million, seven hundred twenty thousand, two hundred seventy-six".