13013012 has 6 divisors (see below), whose sum is σ = 22772778. Its totient is φ = 6506504.

The previous prime is 13012999. The next prime is 13013023. The reversal of 13013012 is 21031031.

It can be written as a sum of positive squares in only one way, i.e., 12931216 + 81796 = 3596^2 + 286^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13012984 and 13013002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1626623 + ... + 1626630.

It is an arithmetic number, because the mean of its divisors is an integer number (3795463).

Almost surely, 2^13013012 is an apocalyptic number.

It is an amenable number.

13013012 is a deficient number, since it is larger than the sum of its proper divisors (9759766).

13013012 is a wasteful number, since it uses less digits than its factorization.

13013012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3253257 (or 3253255 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 13013012 is about 3607.3552639018. The cubic root of 13013012 is about 235.2118927841.

Adding to 13013012 its reverse (21031031), we get a palindrome (34044043).

The spelling of 13013012 in words is "thirteen million, thirteen thousand, twelve".