12249479 has 8 divisors (see below), whose sum is σ = 13724688. Its totient is φ = 10834560.

The previous prime is 12249449. The next prime is 12249487. The reversal of 12249479 is 97494221.

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

It is not a de Polignac number, because 12249479 - 2¹⁶ = 12183943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14642 + ... + 15455.

It is an arithmetic number, because the mean of its divisors is an integer number (1715586).

Almost surely, 2^12249479 is an apocalyptic number.

12249479 is a deficient number, since it is larger than the sum of its proper divisors (1475209).

12249479 is a wasteful number, since it uses less digits than its factorization.

12249479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30145.

The product of its digits is 36288, while the sum is 38.

The square root of 12249479 is about 3499.9255706372. The cubic root of 12249479 is about 230.5185464786.

The spelling of 12249479 in words is "twelve million, two hundred forty-nine thousand, four hundred seventy-nine".