12983340 has 48 divisors (see below), whose sum is σ = 36515808. Its totient is φ = 3446784.

The previous prime is 12983309. The next prime is 12983351. The reversal of 12983340 is 4338921.

12983340 is nontrivially palindromic in base 11.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 12983298 and 12983307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20874 + ... + 21486.

It is an arithmetic number, because the mean of its divisors is an integer number (760746).

Almost surely, 2^12983340 is an apocalyptic number.

12983340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12983340 is an abundant number, since it is smaller than the sum of its proper divisors (23532468).

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

12983340 is a wasteful number, since it uses less digits than its factorization.

12983340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 12983340 is about 3603.2402084790. The cubic root of 12983340 is about 235.0329816392.

The spelling of 12983340 in words is "twelve million, nine hundred eighty-three thousand, three hundred forty".