13012534 has 8 divisors (see below), whose sum is σ = 19661688. Its totient is φ = 6458640.

The previous prime is 13012523. The next prime is 13012543. The reversal of 13012534 is 43521031.

13012534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13012534² = 338652082202312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23472 + ... + 24019.

It is an arithmetic number, because the mean of its divisors is an integer number (2457711).

Almost surely, 2^13012534 is an apocalyptic number.

13012534 is a deficient number, since it is larger than the sum of its proper divisors (6649154).

13012534 is a wasteful number, since it uses less digits than its factorization.

13012534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47630.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13012534 is about 3607.2890097690. The cubic root of 13012534 is about 235.2090127780.

Adding to 13012534 its reverse (43521031), we get a palindrome (56533565).

The spelling of 13012534 in words is "thirteen million, twelve thousand, five hundred thirty-four".