12473812 has 24 divisors (see below), whose sum is σ = 23760296. Its totient is φ = 5695488.

The previous prime is 12473789. The next prime is 12473849. The reversal of 12473812 is 21837421.

It can be written as a sum of positive squares in 4 ways, for example, as 1089936 + 11383876 = 1044^2 + 3374^2 .

It is a super-2 number, since 2×12473812² = 311191971622688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3808 + ... + 6280.

Almost surely, 2^12473812 is an apocalyptic number.

It is an amenable number.

12473812 is a deficient number, since it is larger than the sum of its proper divisors (11286484).

12473812 is a wasteful number, since it uses less digits than its factorization.

12473812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2585 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 12473812 is about 3531.8284216536. The cubic root of 12473812 is about 231.9172564618.

It can be divided in two parts, 124738 and 12, that added together give a triangular number (124750 = T₄₉₉).

The spelling of 12473812 in words is "twelve million, four hundred seventy-three thousand, eight hundred twelve".