12953380 has 48 divisors (see below), whose sum is σ = 30030336. Its totient is φ = 4654080.

The previous prime is 12953377. The next prime is 12953387. The reversal of 12953380 is 8335921.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12953387) 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 15 ways as a sum of consecutive naturals, for example, 21037 + ... + 21643.

It is an arithmetic number, because the mean of its divisors is an integer number (625632).

Almost surely, 2^12953380 is an apocalyptic number.

12953380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12953380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15015168).

12953380 is an abundant number, since it is smaller than the sum of its proper divisors (17076956).

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

12953380 is a wasteful number, since it uses less digits than its factorization.

12953380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 12953380 is about 3599.0804381119. The cubic root of 12953380 is about 234.8520571773.

The spelling of 12953380 in words is "twelve million, nine hundred fifty-three thousand, three hundred eighty".