12939102 has 80 divisors (see below), whose sum is σ = 32460912. Its totient is φ = 3818880.

The previous prime is 12939083. The next prime is 12939109. The reversal of 12939102 is 20193921.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939109) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 94378 + ... + 94514.

Almost surely, 2^12939102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12939102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16230456).

12939102 is an abundant number, since it is smaller than the sum of its proper divisors (19521810).

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

12939102 is a wasteful number, since it uses less digits than its factorization.

12939102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 12939102 is about 3597.0963289854. The cubic root of 12939102 is about 234.7657360661.

It can be divided in two parts, 12939 and 102, that added together give a triangular number (13041 = T₁₆₁).

The spelling of 12939102 in words is "twelve million, nine hundred thirty-nine thousand, one hundred two".