12953518 has 8 divisors (see below), whose sum is σ = 19797048. Its totient is φ = 6354504.

The previous prime is 12953513. The next prime is 12953537. The reversal of 12953518 is 81535921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60996 + ... + 61207.

It is an arithmetic number, because the mean of its divisors is an integer number (2474631).

Almost surely, 2^12953518 is an apocalyptic number.

12953518 is a deficient number, since it is larger than the sum of its proper divisors (6843530).

12953518 is a wasteful number, since it uses less digits than its factorization.

12953518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122258.

The product of its digits is 10800, while the sum is 34.

The square root of 12953518 is about 3599.0996096246. The cubic root of 12953518 is about 234.8528911802.

The spelling of 12953518 in words is "twelve million, nine hundred fifty-three thousand, five hundred eighteen".