12902715 has 24 divisors (see below), whose sum is σ = 25560288. Its totient is φ = 5898240.

The previous prime is 12902671. The next prime is 12902717. The reversal of 12902715 is 51720921.

12902715 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12902715 - 2⁹ = 12902203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12902717) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20166 + ... + 20795.

It is an arithmetic number, because the mean of its divisors is an integer number (1065012).

Almost surely, 2^12902715 is an apocalyptic number.

12902715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12902715 is a deficient number, since it is larger than the sum of its proper divisors (12657573).

12902715 is a wasteful number, since it uses less digits than its factorization.

12902715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40979 (or 40976 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12902715 is about 3592.0349385829. The cubic root of 12902715 is about 234.5454621253.

It can be divided in two parts, 1290 and 2715, that added together give a triangular number (4005 = T₈₉).

The spelling of 12902715 in words is "twelve million, nine hundred two thousand, seven hundred fifteen".