11649522 has 32 divisors (see below), whose sum is σ = 24845184. Its totient is φ = 3628800.

The previous prime is 11649511. The next prime is 11649529. The reversal of 11649522 is 22594611.

11649522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11649522² = 271422725656968, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11649522.

It is not an unprimeable number, because it can be changed into a prime (11649529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18147 + ... + 18777.

It is an arithmetic number, because the mean of its divisors is an integer number (776412).

Almost surely, 2^11649522 is an apocalyptic number.

11649522 is an abundant number, since it is smaller than the sum of its proper divisors (13195662).

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

11649522 is a wasteful number, since it uses less digits than its factorization.

11649522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 4320, while the sum is 30.

The square root of 11649522 is about 3413.1396103881. The cubic root of 11649522 is about 226.6919171217.

The spelling of 11649522 in words is "eleven million, six hundred forty-nine thousand, five hundred twenty-two".