12148656 has 40 divisors (see below), whose sum is σ = 33799920. Its totient is φ = 3737856.

The previous prime is 12148649. The next prime is 12148663. The reversal of 12148656 is 65684121.

It is an interprime number because it is at equal distance from previous prime (12148649) and next prime (12148663).

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, 9111 + ... + 10358.

It is an arithmetic number, because the mean of its divisors is an integer number (844998).

Almost surely, 2^12148656 is an apocalyptic number.

12148656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12148656 is an abundant number, since it is smaller than the sum of its proper divisors (21651264).

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

12148656 is a wasteful number, since it uses less digits than its factorization.

12148656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493 (or 19487 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12148656 is about 3485.4922177506. The cubic root of 12148656 is about 229.8843526987.

It can be divided in two parts, 1214 and 8656, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 12148656 in words is "twelve million, one hundred forty-eight thousand, six hundred fifty-six".