11521402 has 16 divisors (see below), whose sum is σ = 17690400. Its totient is φ = 5626000.

The previous prime is 11521379. The next prime is 11521421. The reversal of 11521402 is 20412511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29424 + ... + 29812.

It is an arithmetic number, because the mean of its divisors is an integer number (1105650).

Almost surely, 2^11521402 is an apocalyptic number.

11521402 is a deficient number, since it is larger than the sum of its proper divisors (6168998).

11521402 is a wasteful number, since it uses less digits than its factorization.

11521402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 11521402 is about 3394.3190775176. The cubic root of 11521402 is about 225.8578085911.

Adding to 11521402 its reverse (20412511), we get a palindrome (31933913).

The spelling of 11521402 in words is "eleven million, five hundred twenty-one thousand, four hundred two".