12831948 has 18 divisors (see below), whose sum is σ = 32436404. Its totient is φ = 4277304.

The previous prime is 12831937. The next prime is 12831961. The reversal of 12831948 is 84913821.

12831948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 356443 = 12831948 / (1 + 2 + 8 + 3 + 1 + 9 + 4 + 8).

It is a zygodrome in base 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, 178186 + ... + 178257.

Almost surely, 2^12831948 is an apocalyptic number.

12831948 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12831948 is an abundant number, since it is smaller than the sum of its proper divisors (19604456).

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

12831948 is a wasteful number, since it uses less digits than its factorization.

12831948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356453 (or 356448 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 12831948 is about 3582.1708501968. The cubic root of 12831948 is about 234.1158751106.

The spelling of 12831948 in words is "twelve million, eight hundred thirty-one thousand, nine hundred forty-eight".