11521354 has 8 divisors (see below), whose sum is σ = 18611460. Its totient is φ = 5317536.

The previous prime is 11521351. The next prime is 11521361. The reversal of 11521354 is 45312511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10093329 + 1428025 = 3177^2 + 1195^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11521351) 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, 221539 + ... + 221590.

Almost surely, 2^11521354 is an apocalyptic number.

11521354 is a deficient number, since it is larger than the sum of its proper divisors (7090106).

11521354 is a wasteful number, since it uses less digits than its factorization.

11521354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443144.

The product of its digits is 600, while the sum is 22.

The square root of 11521354 is about 3394.3120068727. The cubic root of 11521354 is about 225.8574949375.

Adding to 11521354 its reverse (45312511), we get a palindrome (56833865).

The spelling of 11521354 in words is "eleven million, five hundred twenty-one thousand, three hundred fifty-four".