12953390 has 8 divisors (see below), whose sum is σ = 23316120. Its totient is φ = 5181352.

The previous prime is 12953389. The next prime is 12953399. The reversal of 12953390 is 9335921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647660 + ... + 647679.

It is an arithmetic number, because the mean of its divisors is an integer number (2914515).

Almost surely, 2^12953390 is an apocalyptic number.

12953390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12953390 is a deficient number, since it is larger than the sum of its proper divisors (10362730).

12953390 is a wasteful number, since it uses less digits than its factorization.

12953390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295346.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 12953390 is about 3599.0818273554. The cubic root of 12953390 is about 234.8521176125.

The spelling of 12953390 in words is "twelve million, nine hundred fifty-three thousand, three hundred ninety".