12519937 has 2 divisors, whose sum is σ = 12519938. Its totient is φ = 12519936.

The previous prime is 12519919. The next prime is 12519961. The reversal of 12519937 is 73991521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 16641 = 3536^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 12519937 - 2¹¹ = 12517889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12519896 and 12519905.

It is not a weakly prime, because it can be changed into another prime (12519037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6259968 + 6259969.

It is an arithmetic number, because the mean of its divisors is an integer number (6259969).

Almost surely, 2^12519937 is an apocalyptic number.

It is an amenable number.

12519937 is a deficient number, since it is larger than the sum of its proper divisors (1).

12519937 is an equidigital number, since it uses as much as digits as its factorization.

12519937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 12519937 is about 3538.3523001533. The cubic root of 12519937 is about 232.2027619490.

It can be divided in two parts, 12519 and 937, that added together give a square (13456 = 116²).

The spelling of 12519937 in words is "twelve million, five hundred nineteen thousand, nine hundred thirty-seven".