12148644 has 24 divisors (see below), whose sum is σ = 28624960. Its totient is φ = 4009824.

The previous prime is 12148639. The next prime is 12148649. The reversal of 12148644 is 44684121.

It is an interprime number because it is at equal distance from previous prime (12148639) and next prime (12148649).

It is not an unprimeable number, because it can be changed into a prime (12148649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3679 + ... + 6150.

Almost surely, 2^12148644 is an apocalyptic number.

It is an amenable number.

12148644 is an abundant number, since it is smaller than the sum of its proper divisors (16476316).

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

12148644 is a wasteful number, since it uses less digits than its factorization.

12148644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9939 (or 9937 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 12148644 is about 3485.4904963290. The cubic root of 12148644 is about 229.8842770082.

The spelling of 12148644 in words is "twelve million, one hundred forty-eight thousand, six hundred forty-four".