12495218 has 4 divisors (see below), whose sum is σ = 18742830. Its totient is φ = 6247608.

The previous prime is 12495211. The next prime is 12495253. The reversal of 12495218 is 81259421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8602489 + 3892729 = 2933^2 + 1973^2 .

It is a super-2 number, since 2×12495218² = 312260945735048, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12495211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123803 + ... + 3123806.

Almost surely, 2^12495218 is an apocalyptic number.

12495218 is a deficient number, since it is larger than the sum of its proper divisors (6247612).

12495218 is an equidigital number, since it uses as much as digits as its factorization.

12495218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247611.

The product of its digits is 5760, while the sum is 32.

The square root of 12495218 is about 3534.8575643157. The cubic root of 12495218 is about 232.0498431355.

The spelling of 12495218 in words is "twelve million, four hundred ninety-five thousand, two hundred eighteen".