12494477 has 4 divisors (see below), whose sum is σ = 12520416. Its totient is φ = 12468540.

The previous prime is 12494453. The next prime is 12494479. The reversal of 12494477 is 77449421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77449421 = 7 ⋅11064203.

It is a cyclic number.

It is not a de Polignac number, because 12494477 - 2⁶ = 12494413 is a prime.

It is a super-2 number, since 2×12494477² = 312223911007058, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 12494477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12494479) 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, 12233 + ... + 13214.

It is an arithmetic number, because the mean of its divisors is an integer number (3130104).

Almost surely, 2^12494477 is an apocalyptic number.

It is an amenable number.

12494477 is a deficient number, since it is larger than the sum of its proper divisors (25939).

12494477 is an equidigital number, since it uses as much as digits as its factorization.

12494477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25938.

The product of its digits is 56448, while the sum is 38.

The square root of 12494477 is about 3534.7527494862. The cubic root of 12494477 is about 232.0452559851.

The spelling of 12494477 in words is "twelve million, four hundred ninety-four thousand, four hundred seventy-seven".