12606400 has 42 divisors (see below), whose sum is σ = 31023560. Its totient is φ = 5041920.

The previous prime is 12606397. The next prime is 12606409. The reversal of 12606400 is 460621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12606409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2340 + ... + 5539.

Almost surely, 2^12606400 is an apocalyptic number.

12606400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12606400 is an abundant number, since it is smaller than the sum of its proper divisors (18417160).

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

12606400 is an equidigital number, since it uses as much as digits as its factorization.

12606400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7901 (or 7886 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 12606400 is about 3550.5492532846. The cubic root of 12606400 is about 232.7360688555.

The spelling of 12606400 in words is "twelve million, six hundred six thousand, four hundred".