12648492 has 18 divisors (see below), whose sum is σ = 31972668. Its totient is φ = 4216152.

The previous prime is 12648473. The next prime is 12648511. The reversal of 12648492 is 29484621.

12648492 is a `hidden beast` number, since 1 + 2 + 648 + 4 + 9 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (12648473) and next prime (12648511).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 351347 = 12648492 / (1 + 2 + 6 + 4 + 8 + 4 + 9 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 175638 + ... + 175709.

Almost surely, 2^12648492 is an apocalyptic number.

12648492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12648492 is an abundant number, since it is smaller than the sum of its proper divisors (19324176).

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

12648492 is a wasteful number, since it uses less digits than its factorization.

12648492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351357 (or 351352 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12648492 is about 3556.4718472104. The cubic root of 12648492 is about 232.9948116020.

The spelling of 12648492 in words is "twelve million, six hundred forty-eight thousand, four hundred ninety-two".