12061564 has 12 divisors (see below), whose sum is σ = 21835800. Its totient is φ = 5822768.

The previous prime is 12061549. The next prime is 12061579. The reversal of 12061564 is 46516021.

12061564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12061549) and next prime (12061579).

It is a super-2 number, since 2×12061564² = 290962652252192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51874 + ... + 52105.

It is an arithmetic number, because the mean of its divisors is an integer number (1819650).

Almost surely, 2^12061564 is an apocalyptic number.

It is an amenable number.

12061564 is a deficient number, since it is larger than the sum of its proper divisors (9774236).

12061564 is a wasteful number, since it uses less digits than its factorization.

12061564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104012 (or 104010 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12061564 is about 3472.9762452398. The cubic root of 12061564 is about 229.3336985827. Note that the first 3 decimals are identical.

Adding to 12061564 its reverse (46516021), we get a palindrome (58577585).

The spelling of 12061564 in words is "twelve million, sixty-one thousand, five hundred sixty-four".