13042516 has 6 divisors (see below), whose sum is σ = 22824410. Its totient is φ = 6521256.

The previous prime is 13042511. The next prime is 13042517. The reversal of 13042516 is 61524031.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 2414916 = 3260^2 + 1554^2 .

It is a super-2 number, since 2×13042516² = 340214447220512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13042511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630311 + ... + 1630318.

Almost surely, 2^13042516 is an apocalyptic number.

It is an amenable number.

13042516 is a deficient number, since it is larger than the sum of its proper divisors (9781894).

13042516 is a wasteful number, since it uses less digits than its factorization.

13042516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3260633 (or 3260631 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 13042516 is about 3611.4423711310. The cubic root of 13042516 is about 235.3895214931.

Adding to 13042516 its reverse (61524031), we get a palindrome (74566547).

The spelling of 13042516 in words is "thirteen million, forty-two thousand, five hundred sixteen".