12616503 has 8 divisors (see below), whose sum is σ = 16934016. Its totient is φ = 8355000.

The previous prime is 12616493. The next prime is 12616511. The reversal of 12616503 is 30561621.

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

It is not a de Polignac number, because 12616503 - 2⁹ = 12615991 is a prime.

It is a super-2 number, since 2×12616503² = 318352295898018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12616523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13473 + ... + 14378.

It is an arithmetic number, because the mean of its divisors is an integer number (2116752).

Almost surely, 2^12616503 is an apocalyptic number.

12616503 is a deficient number, since it is larger than the sum of its proper divisors (4317513).

12616503 is a wasteful number, since it uses less digits than its factorization.

12616503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28005.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12616503 is about 3551.9717059684. The cubic root of 12616503 is about 232.7982252377.

The spelling of 12616503 in words is "twelve million, six hundred sixteen thousand, five hundred three".