12624780 has 48 divisors (see below), whose sum is σ = 40400640. Its totient is φ = 2885568.

The previous prime is 12624751. The next prime is 12624791. The reversal of 12624780 is 8742621.

It is a super-3 number, since 3×12624780³ (a number of 22 digits) contains 333 as substring.

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

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, 14610 + ... + 15449.

It is an arithmetic number, because the mean of its divisors is an integer number (841680).

Almost surely, 2^12624780 is an apocalyptic number.

12624780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12624780 is an abundant number, since it is smaller than the sum of its proper divisors (27775860).

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

12624780 is a wasteful number, since it uses less digits than its factorization.

12624780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30078 (or 30076 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 12624780 is about 3553.1366424611. The cubic root of 12624780 is about 232.8491228515.

The spelling of 12624780 in words is "twelve million, six hundred twenty-four thousand, seven hundred eighty".