12613513 has 8 divisors (see below), whose sum is σ = 13870080. Its totient is φ = 11375280.

The previous prime is 12613501. The next prime is 12613547. The reversal of 12613513 is 31531621.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12613513 - 2²¹ = 10516361 is a prime.

It is a super-3 number, since 3×12613513³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12613553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118 + ... + 5911.

It is an arithmetic number, because the mean of its divisors is an integer number (1733760).

Almost surely, 2^12613513 is an apocalyptic number.

It is an amenable number.

12613513 is a deficient number, since it is larger than the sum of its proper divisors (1256567).

12613513 is a wasteful number, since it uses less digits than its factorization.

12613513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9167.

The product of its digits is 540, while the sum is 22.

The square root of 12613513 is about 3551.5507880361. The cubic root of 12613513 is about 232.7798334090.

It can be divided in two parts, 1261 and 3513, that added together give a palindrome (4774).

The spelling of 12613513 in words is "twelve million, six hundred thirteen thousand, five hundred thirteen".