11674521 has 6 divisors (see below), whose sum is σ = 16863210. Its totient is φ = 7783008.

The previous prime is 11674511. The next prime is 11674561. The reversal of 11674521 is 12547611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10634121 + 1040400 = 3261^2 + 1020^2 .

It is not a de Polignac number, because 11674521 - 2¹³ = 11666329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11674511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 648576 + ... + 648593.

It is an arithmetic number, because the mean of its divisors is an integer number (2810535).

Almost surely, 2^11674521 is an apocalyptic number.

It is an amenable number.

11674521 is a deficient number, since it is larger than the sum of its proper divisors (5188689).

11674521 is a wasteful number, since it uses less digits than its factorization.

11674521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297175 (or 1297172 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 11674521 is about 3416.7998185437. The cubic root of 11674521 is about 226.8539558834.

The spelling of 11674521 in words is "eleven million, six hundred seventy-four thousand, five hundred twenty-one".