11681274 has 16 divisors (see below), whose sum is σ = 25486560. Its totient is φ = 3539760.

The previous prime is 11681273. The next prime is 11681291. The reversal of 11681274 is 47218611.

It is not an unprimeable number, because it can be changed into a prime (11681273) 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, 88429 + ... + 88560.

It is an arithmetic number, because the mean of its divisors is an integer number (1592910).

Almost surely, 2^11681274 is an apocalyptic number.

11681274 is an abundant number, since it is smaller than the sum of its proper divisors (13805286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11681274 is a wasteful number, since it uses less digits than its factorization.

11681274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177005.

The product of its digits is 2688, while the sum is 30.

The square root of 11681274 is about 3417.7878810716. The cubic root of 11681274 is about 226.8976878555.

Adding to 11681274 its reverse (47218611), we get a palindrome (58899885).

It can be divided in two parts, 116812 and 74, that added together give a triangular number (116886 = T₄₈₃).

The spelling of 11681274 in words is "eleven million, six hundred eighty-one thousand, two hundred seventy-four".