12479437 has 2 divisors, whose sum is σ = 12479438. Its totient is φ = 12479436.

The previous prime is 12479431. The next prime is 12479473. The reversal of 12479437 is 73497421.

Together with next prime (12479473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8031556 + 4447881 = 2834^2 + 2109^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12479437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12479396 and 12479405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12479431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239718 + 6239719.

It is an arithmetic number, because the mean of its divisors is an integer number (6239719).

Almost surely, 2^12479437 is an apocalyptic number.

It is an amenable number.

12479437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12479437 is an equidigital number, since it uses as much as digits as its factorization.

12479437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

The square root of 12479437 is about 3532.6246616362. The cubic root of 12479437 is about 231.9521118460.

The spelling of 12479437 in words is "twelve million, four hundred seventy-nine thousand, four hundred thirty-seven".