12613850 has 12 divisors (see below), whose sum is σ = 23461854. Its totient is φ = 5045520.

The previous prime is 12613837. The next prime is 12613871. The reversal of 12613850 is 5831621.

It can be written as a sum of positive squares in 3 ways, for example, as 8357881 + 4255969 = 2891^2 + 2063^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 126089 + ... + 126188.

Almost surely, 2^12613850 is an apocalyptic number.

12613850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12613850 is a deficient number, since it is larger than the sum of its proper divisors (10848004).

12613850 is a wasteful number, since it uses less digits than its factorization.

12613850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252289 (or 252284 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12613850 is about 3551.5982317824. The cubic root of 12613850 is about 232.7819064795.

The spelling of 12613850 in words is "twelve million, six hundred thirteen thousand, eight hundred fifty".