12520034 has 4 divisors (see below), whose sum is σ = 18780054. Its totient is φ = 6260016.

The previous prime is 12520033. The next prime is 12520037. The reversal of 12520034 is 43002521.

12520034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43002521 = 1901 ⋅22621.

It can be written as a sum of positive squares in only one way, i.e., 11526025 + 994009 = 3395^2 + 997^2 .

It is a super-2 number, since 2×12520034² = 313502502722312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12519994 and 12520021.

It is not an unprimeable number, because it can be changed into a prime (12520033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3130007 + ... + 3130010.

Almost surely, 2^12520034 is an apocalyptic number.

12520034 is a deficient number, since it is larger than the sum of its proper divisors (6260020).

12520034 is an equidigital number, since it uses as much as digits as its factorization.

12520034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6260019.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 12520034 is about 3538.3660070716. The cubic root of 12520034 is about 232.2033616221.

Adding to 12520034 its reverse (43002521), we get a palindrome (55522555).

The spelling of 12520034 in words is "twelve million, five hundred twenty thousand, thirty-four".