12479445 has 48 divisors (see below), whose sum is σ = 25002432. Its totient is φ = 5690880.

The previous prime is 12479437. The next prime is 12479473. The reversal of 12479445 is 54497421.

It is a happy number.

It is not a de Polignac number, because 12479445 - 2³ = 12479437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7674 + ... + 9156.

It is an arithmetic number, because the mean of its divisors is an integer number (520884).

Almost surely, 2^12479445 is an apocalyptic number.

12479445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12479445 is an abundant number, since it is smaller than the sum of its proper divisors (12522987).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12479445 is a wasteful number, since it uses less digits than its factorization.

12479445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1522 (or 1519 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 12479445 is about 3532.6257939386. The cubic root of 12479445 is about 231.9521614106.

The spelling of 12479445 in words is "twelve million, four hundred seventy-nine thousand, four hundred forty-five".