12942480 has 40 divisors (see below), whose sum is σ = 40122432. Its totient is φ = 3451264.

The previous prime is 12942473. The next prime is 12942481. The reversal of 12942480 is 8424921.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is not an unprimeable number, because it can be changed into a prime (12942481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26724 + ... + 27203.

Almost surely, 2^12942480 is an apocalyptic number.

12942480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12942480 is an abundant number, since it is smaller than the sum of its proper divisors (27179952).

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

12942480 is a wasteful number, since it uses less digits than its factorization.

12942480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53943 (or 53937 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 12942480 is about 3597.5658437338. The cubic root of 12942480 is about 234.7861643166.

The spelling of 12942480 in words is "twelve million, nine hundred forty-two thousand, four hundred eighty".