12985038 has 24 divisors (see below), whose sum is σ = 30692376. Its totient is φ = 3934800.

The previous prime is 12985033. The next prime is 12985043. The reversal of 12985038 is 83058921.

It is an interprime number because it is at equal distance from previous prime (12985033) and next prime (12985043).

It is a super-2 number, since 2×12985038² = 337222423722888, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12984993 and 12985011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12985031) 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 11 ways as a sum of consecutive naturals, for example, 32593 + ... + 32988.

It is an arithmetic number, because the mean of its divisors is an integer number (1278849).

Almost surely, 2^12985038 is an apocalyptic number.

12985038 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12985038 is an abundant number, since it is smaller than the sum of its proper divisors (17707338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12985038 is a wasteful number, since it uses less digits than its factorization.

12985038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65600 (or 65597 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 12985038 is about 3603.4758220363. The cubic root of 12985038 is about 235.0432272978.

It can be divided in two parts, 1298 and 5038, that added together give a palindrome (6336).

The spelling of 12985038 in words is "twelve million, nine hundred eighty-five thousand, thirty-eight".