12148564 has 12 divisors (see below), whose sum is σ = 21993300. Its totient is φ = 5864768.

The previous prime is 12148561. The next prime is 12148567. The reversal of 12148564 is 46584121.

It is an interprime number because it is at equal distance from previous prime (12148561) and next prime (12148567).

It can be written as a sum of positive squares in 2 ways, for example, as 9922500 + 2226064 = 3150^2 + 1492^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12148561) 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, 52249 + ... + 52480.

It is an arithmetic number, because the mean of its divisors is an integer number (1832775).

Almost surely, 2^12148564 is an apocalyptic number.

It is an amenable number.

12148564 is a deficient number, since it is larger than the sum of its proper divisors (9844736).

12148564 is a wasteful number, since it uses less digits than its factorization.

12148564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104762 (or 104760 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 12148564 is about 3485.4790201635. The cubic root of 12148564 is about 229.8837724037.

The spelling of 12148564 in words is "twelve million, one hundred forty-eight thousand, five hundred sixty-four".